Shop unique baby boy halloween costumes

Sponsored
$12.99
Newborn Infant Baby Boys Halloween Clothes Long Sleeve Bodysuit With Hat
Amazon.com
8
$12.99
Newborn Infant Baby Boys Halloween Clothes Long Sleeve Bodysuit With Hat
Amazon.com
8
$29.99
Spirit Halloween Baby Lil Mouse Costume | Mouse Cosplay | Onesie Outfit | One Piece Costume | Animal Outfit Multicolored 6 TO 12 MONTHS
Amazon.com
$29.99
Spirit Halloween Baby Lil Mouse Costume | Mouse Cosplay | Onesie Outfit | One Piece Costume | Animal Outfit Multicolored 6 TO 12 MONTHS
Amazon.com
$26.40
$44.00
Baby Boy Carter's 3-Piece Dinosaur Halloween Costume, Boy's, Multi
Kohl's
40% off
$26.40
$44.00
Baby Boy Carter's 3-Piece Dinosaur Halloween Costume, Boy's, Multi
Kohl's
$24.68
QIAONIUNIU Halloween Baby Costumes Toddler Outfit Infants Romper Boys Girls Animal Dress Up Clothes 2-36 Months Green Dinosaur 24-30 Months
Amazon.com
Easy to clean · Perfect Fit · Top Quality
$24.68
QIAONIUNIU Halloween Baby Costumes Toddler Outfit Infants Romper Boys Girls Animal Dress Up Clothes 2-36 Months Green Dinosaur 24-30 Months
Amazon.com
Easy to clean · Perfect Fit · Top Quality
$25.84
Disguise Baby-Boys Olaf Toddler Classic Costume, Official Frozen Halloween Costume
Amazon.com
436
$25.84
Disguise Baby-Boys Olaf Toddler Classic Costume, Official Frozen Halloween Costume
Amazon.com
436
$24.99
Weixinbuy Toddler Baby Boy's Girl's Halloween Costume Bat Style Cosplay Clothes Set Winter Outerwear Hooded Coat 4-5T
Amazon.com
255
$24.99
Weixinbuy Toddler Baby Boy's Girl's Halloween Costume Bat Style Cosplay Clothes Set Winter Outerwear Hooded Coat 4-5T
Amazon.com
255
$18.00
Expressiontees Unisex Infant Raspberry Dopey - 7 Dwarfs Costume Infant One-Piece Romper Bodysuit 12 Months,18 Months,24 Months,6 Months,Newborn
SHEIN CJ US
Free shipping
$18.00
Expressiontees Unisex Infant Raspberry Dopey - 7 Dwarfs Costume Infant One-Piece Romper Bodysuit 12 Months,18 Months,24 Months,6 Months,Newborn
SHEIN CJ US
Free shipping
$27.99
QZERPLAY Unisex Kids Baby Halloween Costumes Cartoon Outfit Hooded Homewear Pig 80(Height 27-30 in / Ages 5-11Months)
Amazon.com
$27.99
QZERPLAY Unisex Kids Baby Halloween Costumes Cartoon Outfit Hooded Homewear Pig 80(Height 27-30 in / Ages 5-11Months)
Amazon.com
$19.00
Expressiontees Unisex Infant Royal Blue Bashful - 7 Dwarfs Costume Infant One-Piece Romper Bodysuit 12 Months,18 Months,24 Months,6 Months,Newborn
SHEIN CJ US
Free shipping
$19.00
Expressiontees Unisex Infant Royal Blue Bashful - 7 Dwarfs Costume Infant One-Piece Romper Bodysuit 12 Months,18 Months,24 Months,6 Months,Newborn
SHEIN CJ US
Free shipping
$19.00
Expressiontees Unisex Infant Light Blue Bashful - 7 Dwarfs Costume Infant One-Piece Romper Bodysuit 12 Months,18 Months,24 Months,6 Months,Newborn
SHEIN CJ US
Free shipping
$19.00
Expressiontees Unisex Infant Light Blue Bashful - 7 Dwarfs Costume Infant One-Piece Romper Bodysuit 12 Months,18 Months,24 Months,6 Months,Newborn
SHEIN CJ US
Free shipping
$29.99
Dress Up America Unisex Infant Brown Baby Boy Tiger Costume Medium
SHEIN CJ US
Free shipping
$29.99
Dress Up America Unisex Infant Brown Baby Boy Tiger Costume Medium
SHEIN CJ US
Free shipping
$10.09
Shein Unisex Infant Multicolor 3Pcs/Set Infant Baby Boys' Retro Vampire Halloween Costume Outfit, Suit For Party, Fall/Winter Medium
SHEIN CJ US
Free shipping
$10.09
Shein Unisex Infant Multicolor 3Pcs/Set Infant Baby Boys' Retro Vampire Halloween Costume Outfit, Suit For Party, Fall/Winter Medium
SHEIN CJ US
Free shipping
$60.00
Free Panda Onesie Set With Donation
WWF Gifts
Free shipping
$60.00
Free Panda Onesie Set With Donation
WWF Gifts
Free shipping
$29.99
Dress Up America Unisex Infant Green Baby Boy Avocado Costume Medium
SHEIN CJ US
Free shipping
$29.99
Dress Up America Unisex Infant Green Baby Boy Avocado Costume Medium
SHEIN CJ US
Free shipping
$5.32
Shein Unisex Infant Dark Green 3Pcs Baby Boy Halloween Costume Outfit With Detachable Bat Wings, Cute Role Play Romper Set For Autumn/Spring, For Chri
SHEIN CJ US
Free shipping
$5.32
Shein Unisex Infant Dark Green 3Pcs Baby Boy Halloween Costume Outfit With Detachable Bat Wings, Cute Role Play Romper Set For Autumn/Spring, For Chri
SHEIN CJ US
Free shipping
$10.47
$26.99
Old Navy Critter Costume Hooded One-Piece For Baby - Brown - Size 6-12 m
Old Navy
61% off
$10.47
$26.99
Old Navy Critter Costume Hooded One-Piece For Baby - Brown - Size 6-12 m
Old Navy
$19.00
Expressiontees Unisex Infant Lavender Bashful - 7 Dwarfs Costume Infant One-Piece Romper Bodysuit 12 Months,18 Months,24 Months,6 Months,Newborn
SHEIN CJ US
Free shipping
$19.00
Expressiontees Unisex Infant Lavender Bashful - 7 Dwarfs Costume Infant One-Piece Romper Bodysuit 12 Months,18 Months,24 Months,6 Months,Newborn
SHEIN CJ US
Free shipping
$6.06
Shein Unisex Infant Rust Brown Baby Boy Plush Fox Style Jumpsuit Costume - A Cozy And Adorable Outfit For Your Little One, Perfect For Playtime, Photo
SHEIN CJ US
Free shipping
$6.06
Shein Unisex Infant Rust Brown Baby Boy Plush Fox Style Jumpsuit Costume - A Cozy And Adorable Outfit For Your Little One, Perfect For Playtime, Photo
SHEIN CJ US
Free shipping
$5.25
Shein Unisex Newborn Black Newborn Baby Boy 3Pcs Outfit Set: Striped Halloween Decorative Print Long Sleeve Romper, Pants, And Hat Medium
SHEIN CJ US
Free shipping
$5.25
Shein Unisex Newborn Black Newborn Baby Boy 3Pcs Outfit Set: Striped Halloween Decorative Print Long Sleeve Romper, Pants, And Hat Medium
SHEIN CJ US
Free shipping
$54.99
Deluxe Stay Puft Marshmallow Man Infant Ghostbuster Costume | Stay Puft Marshmallow Man Costumes | Kids | Unisex | Blue/Red/White | 9/12Mo
HalloweenCostumes.com
30-day returns (most items)
$54.99
Deluxe Stay Puft Marshmallow Man Infant Ghostbuster Costume | Stay Puft Marshmallow Man Costumes | Kids | Unisex | Blue/Red/White | 9/12Mo
HalloweenCostumes.com
30-day returns
$25.99
Ideed Halloween Toddler Cow Animal Costumes For Kids Baby Boys Girls Onesie 18M-8
Amazon.com
$25.99
Ideed Halloween Toddler Cow Animal Costumes For Kids Baby Boys Girls Onesie 18M-8
Amazon.com
$19.00
Expressiontees Unisex Infant Raspberry Bashful - 7 Dwarfs Costume Infant One-Piece Romper Bodysuit 12 Months,18 Months,24 Months,6 Months,Newborn
SHEIN CJ US
Free shipping
$19.00
Expressiontees Unisex Infant Raspberry Bashful - 7 Dwarfs Costume Infant One-Piece Romper Bodysuit 12 Months,18 Months,24 Months,6 Months,Newborn
SHEIN CJ US
Free shipping
$69.45
$92.60
Costume Boys Toddler Baby /Handmade Costume / Halloween Costume
Etsy
25% off
$69.45
$92.60
Costume Boys Toddler Baby /Handmade Costume / Halloween Costume
Etsy
$10.80
Shein Unisex Infant Green 0-6 Months Baby Boy Pea Style Costume Cartoon Design Holiday Outfit Winter Jacket Medium
SHEIN CJ US
Free shipping
$10.80
Shein Unisex Infant Green 0-6 Months Baby Boy Pea Style Costume Cartoon Design Holiday Outfit Winter Jacket Medium
SHEIN CJ US
Free shipping
$7.87
$13.12
Custom Name Cute Ghost Romper, Infant Halloween Baby Bodysuit, Boys Halloween Bubble Romper, Fall Baby Clothes, Baby Halloween Costume
Etsy
40% off
$7.87
$13.12
Custom Name Cute Ghost Romper, Infant Halloween Baby Bodysuit, Boys Halloween Bubble Romper, Fall Baby Clothes, Baby Halloween Costume
Etsy
$39.00
Costume For Newborn Infant Baby, The Dark Costume, Cosplay, Baby Boy Infant Dark Costume Cosplay, Cape And Mask ONLY
Etsy
Free shipping
$39.00
Costume For Newborn Infant Baby, The Dark Costume, Cosplay, Baby Boy Infant Dark Costume Cosplay, Cape And Mask ONLY
Etsy
Free shipping
$8.55
Shein Unisex Infant Red Baby Boy Cartoon Graphic Hooded Zipper Front Costume Jumpsuit Medium
SHEIN CJ US
Free shipping
$8.55
Shein Unisex Infant Red Baby Boy Cartoon Graphic Hooded Zipper Front Costume Jumpsuit Medium
SHEIN CJ US
Free shipping
$48.00
Superhero Costume For Infant Newborn Baby Boy, Photography Prop, Baby Boy Halloween Hero, Baby Shower Gift, Handmade Hero Costume
Etsy
Free shipping
$48.00
Superhero Costume For Infant Newborn Baby Boy, Photography Prop, Baby Boy Halloween Hero, Baby Shower Gift, Handmade Hero Costume
Etsy
Free shipping
$19.00
Expressiontees Unisex Infant Purple Bashful - 7 Dwarfs Costume Infant One-Piece Romper Bodysuit 12 Months,18 Months,24 Months,6 Months,Newborn
SHEIN CJ US
Free shipping
$19.00
Expressiontees Unisex Infant Purple Bashful - 7 Dwarfs Costume Infant One-Piece Romper Bodysuit 12 Months,18 Months,24 Months,6 Months,Newborn
SHEIN CJ US
Free shipping
$200.00
Baby Boys Costume
Etsy
Free shipping
$200.00
Baby Boys Costume
Etsy
Free shipping
$19.99
Baby Halloween Cast Member Costume Bodysuit | Baby First Visit Spooky Boy Cosplay Costume | MNSSHP Unique Costume |Customizable Baby Costume
Etsy
$19.99
Baby Halloween Cast Member Costume Bodysuit | Baby First Visit Spooky Boy Cosplay Costume | MNSSHP Unique Costume |Customizable Baby Costume
Etsy
$19.95
Baby Boys Halloween Outfit,Baby Monster Halloween Costume, Halloween Outfit For Boys, Baby Boys Halloween Costume, Boys Monster Outfit
Etsy
$19.95
Baby Boys Halloween Outfit,Baby Monster Halloween Costume, Halloween Outfit For Boys, Baby Boys Halloween Costume, Boys Monster Outfit
Etsy
$19.00
Expressiontees Unisex Infant White Bashful - 7 Dwarfs Costume Infant One-Piece Romper Bodysuit 12 Months,18 Months,24 Months,6 Months,Newborn
SHEIN CJ US
Free shipping
$19.00
Expressiontees Unisex Infant White Bashful - 7 Dwarfs Costume Infant One-Piece Romper Bodysuit 12 Months,18 Months,24 Months,6 Months,Newborn
SHEIN CJ US
Free shipping
$31.00
Pillsburry Doughboy Infant Costume New
Etsy
$31.00
Pillsburry Doughboy Infant Costume New
Etsy
$72.00
Christmas Halloween Night Before Costume For Infant Newborn Baby Boy - Studio Prop For Baby - Halloween Costume - Black/White Stripe Suit
Etsy
Free shipping
$72.00
Christmas Halloween Night Before Costume For Infant Newborn Baby Boy - Studio Prop For Baby - Halloween Costume - Black/White Stripe Suit
Etsy
Free shipping
$18.00
Expressiontees Unisex Infant Light Pink Dopey - 7 Dwarfs Costume Infant One-Piece Romper Bodysuit 12 Months,18 Months,24 Months,6 Months,Newborn
SHEIN CJ US
Free shipping
$18.00
Expressiontees Unisex Infant Light Pink Dopey - 7 Dwarfs Costume Infant One-Piece Romper Bodysuit 12 Months,18 Months,24 Months,6 Months,Newborn
SHEIN CJ US
Free shipping
See more
See less
    Some results have been hidden because they may be inaccessible to you.Show inaccessible results
    See more images

    Shop unique baby boy halloween costumes

    Sponsored
    $12.99
    Newborn Infant Baby Boys Halloween Clothes Long Sleeve Bodysuit With Hat
    Amazon.com
    8
    $12.99
    Newborn Infant Baby Boys Halloween Clothes Long Sleeve Bodysuit With Hat
    Amazon.com
    8
    $29.99
    Spirit Halloween Baby Lil Mouse Costume | Mouse Cosplay | Onesie Outfit | One Piece Costume | Animal Outfit Multicolored 6 TO 12 MONTHS
    Amazon.com
    $29.99
    Spirit Halloween Baby Lil Mouse Costume | Mouse Cosplay | Onesie Outfit | One Piece Costume | Animal Outfit Multicolored 6 TO 12 MONTHS
    Amazon.com
    $26.40
    $44.00
    Baby Boy Carter's 3-Piece Dinosaur Halloween Costume, Boy's, Multi
    Kohl's
    40% off
    $26.40
    $44.00
    Baby Boy Carter's 3-Piece Dinosaur Halloween Costume, Boy's, Multi
    Kohl's
    $24.68
    QIAONIUNIU Halloween Baby Costumes Toddler Outfit Infants Romper Boys Girls Animal Dress Up Clothes 2-36 Months Green Dinosaur 24-30 Months
    Amazon.com
    Easy to clean · Perfect Fit · Top Quality
    $24.68
    QIAONIUNIU Halloween Baby Costumes Toddler Outfit Infants Romper Boys Girls Animal Dress Up Clothes 2-36 Months Green Dinosaur 24-30 Months
    Amazon.com
    Easy to clean · Perfect Fit · Top Quality
    $25.84
    Disguise Baby-Boys Olaf Toddler Classic Costume, Official Frozen Halloween Costume
    Amazon.com
    436
    $25.84
    Disguise Baby-Boys Olaf Toddler Classic Costume, Official Frozen Halloween Costume
    Amazon.com
    436
    $24.99
    Weixinbuy Toddler Baby Boy's Girl's Halloween Costume Bat Style Cosplay Clothes Set Winter Outerwear Hooded Coat 4-5T
    Amazon.com
    255
    $24.99
    Weixinbuy Toddler Baby Boy's Girl's Halloween Costume Bat Style Cosplay Clothes Set Winter Outerwear Hooded Coat 4-5T
    Amazon.com
    255
    $18.00
    Expressiontees Unisex Infant Raspberry Dopey - 7 Dwarfs Costume Infant One-Piece Romper Bodysuit 12 Months,18 Months,24 Months,6 Months,Newborn
    SHEIN CJ US
    Free shipping
    $18.00
    Expressiontees Unisex Infant Raspberry Dopey - 7 Dwarfs Costume Infant One-Piece Romper Bodysuit 12 Months,18 Months,24 Months,6 Months,Newborn
    SHEIN CJ US
    Free shipping
    $27.99
    QZERPLAY Unisex Kids Baby Halloween Costumes Cartoon Outfit Hooded Homewear Pig 80(Height 27-30 in / Ages 5-11Months)
    Amazon.com
    $27.99
    QZERPLAY Unisex Kids Baby Halloween Costumes Cartoon Outfit Hooded Homewear Pig 80(Height 27-30 in / Ages 5-11Months)
    Amazon.com
    $19.00
    Expressiontees Unisex Infant Royal Blue Bashful - 7 Dwarfs Costume Infant One-Piece Romper Bodysuit 12 Months,18 Months,24 Months,6 Months,Newborn
    SHEIN CJ US
    Free shipping
    $19.00
    Expressiontees Unisex Infant Royal Blue Bashful - 7 Dwarfs Costume Infant One-Piece Romper Bodysuit 12 Months,18 Months,24 Months,6 Months,Newborn
    SHEIN CJ US
    Free shipping
    $19.00
    Expressiontees Unisex Infant Light Blue Bashful - 7 Dwarfs Costume Infant One-Piece Romper Bodysuit 12 Months,18 Months,24 Months,6 Months,Newborn
    SHEIN CJ US
    Free shipping
    $19.00
    Expressiontees Unisex Infant Light Blue Bashful - 7 Dwarfs Costume Infant One-Piece Romper Bodysuit 12 Months,18 Months,24 Months,6 Months,Newborn
    SHEIN CJ US
    Free shipping
    $29.99
    Dress Up America Unisex Infant Brown Baby Boy Tiger Costume Medium
    SHEIN CJ US
    Free shipping
    $29.99
    Dress Up America Unisex Infant Brown Baby Boy Tiger Costume Medium
    SHEIN CJ US
    Free shipping
    $10.09
    Shein Unisex Infant Multicolor 3Pcs/Set Infant Baby Boys' Retro Vampire Halloween Costume Outfit, Suit For Party, Fall/Winter Medium
    SHEIN CJ US
    Free shipping
    $10.09
    Shein Unisex Infant Multicolor 3Pcs/Set Infant Baby Boys' Retro Vampire Halloween Costume Outfit, Suit For Party, Fall/Winter Medium
    SHEIN CJ US
    Free shipping
    $60.00
    Free Panda Onesie Set With Donation
    WWF Gifts
    Free shipping
    $60.00
    Free Panda Onesie Set With Donation
    WWF Gifts
    Free shipping
    $29.99
    Dress Up America Unisex Infant Green Baby Boy Avocado Costume Medium
    SHEIN CJ US
    Free shipping
    $29.99
    Dress Up America Unisex Infant Green Baby Boy Avocado Costume Medium
    SHEIN CJ US
    Free shipping
    $5.32
    Shein Unisex Infant Dark Green 3Pcs Baby Boy Halloween Costume Outfit With Detachable Bat Wings, Cute Role Play Romper Set For Autumn/Spring, For Chri
    SHEIN CJ US
    Free shipping
    $5.32
    Shein Unisex Infant Dark Green 3Pcs Baby Boy Halloween Costume Outfit With Detachable Bat Wings, Cute Role Play Romper Set For Autumn/Spring, For Chri
    SHEIN CJ US
    Free shipping
    $10.47
    $26.99
    Old Navy Critter Costume Hooded One-Piece For Baby - Brown - Size 6-12 m
    Old Navy
    61% off
    $10.47
    $26.99
    Old Navy Critter Costume Hooded One-Piece For Baby - Brown - Size 6-12 m
    Old Navy
    $19.00
    Expressiontees Unisex Infant Lavender Bashful - 7 Dwarfs Costume Infant One-Piece Romper Bodysuit 12 Months,18 Months,24 Months,6 Months,Newborn
    SHEIN CJ US
    Free shipping
    $19.00
    Expressiontees Unisex Infant Lavender Bashful - 7 Dwarfs Costume Infant One-Piece Romper Bodysuit 12 Months,18 Months,24 Months,6 Months,Newborn
    SHEIN CJ US
    Free shipping
    $6.06
    Shein Unisex Infant Rust Brown Baby Boy Plush Fox Style Jumpsuit Costume - A Cozy And Adorable Outfit For Your Little One, Perfect For Playtime, Photo
    SHEIN CJ US
    Free shipping
    $6.06
    Shein Unisex Infant Rust Brown Baby Boy Plush Fox Style Jumpsuit Costume - A Cozy And Adorable Outfit For Your Little One, Perfect For Playtime, Photo
    SHEIN CJ US
    Free shipping

    • 45 Best Baby Halloween Costumes

      https://www.goodhousekeeping.com
      SponsoredGet in the Halloween spirit with these creative and spooky ideas for everyone! Recommendations, and Top Rated Halloween Products from the Editors at Good Housekeeping.

      Reviews · Best of 2025 · Editor's Top Picks · Ratings