Harry Potter Baby Clothes & Onesies

Accio onesies! Dress up your little one as your favorite magician.

Rachel Turner photography

Your toddler may not be off to Hogwarts with Harry, Ron, and Hermione just yet, but you can still get them prepared with these adorable onesies and Harry Potter baby clothes. You won’t find them in any shop in Diagon Alley or Hogsmeade, but we have the exclusive hookup from your favorite retailers. These are the only onesies certified to ward off dark magic from Voldemort– I mean, He-Who-Must-Not-Be-Named. Dumbledore would be proud. Make sure you check out our Harry Potter baby nursery ideas and Harry Potter baby shower ideas for the ultimate Potterhead family.

Dobby baby costume

Dobby Costume Onesie

Dobby is a fan-favorite character in the Harry Potter universe. He’s cute, clumsy, and of course loyal till the very end. He’s like the uglier cousin of Legolas. This costume has the option of getting the dress, hat, and diaper.


Expecto Poopy

Expecto Poopy Onesie

Do you want to know a secret? Babies’ poop only stinks if you don’t breastfeed. True fact, but you can still count on having to change those messy diapers on a regular basis. It’s not a magical spell, but more of a warning that’s printed on the front of this onesie. Available in different colors.


Harry Potter baby costume

Harry Potter Costume Onesie w/ Cape

Your child will undoubtedly have a hard time getting into Hogwarts, but you can still dress them up like the next Dumbledore. Honestly, let’s be thankful babies can’t cast any spells. How scary would that be? Don’t worry we have a baby checklist on how to prepare for newborns that will ease your mind.


Star Wars Baby Clothes

Check out our whole collection of Star Wars baby clothes. We’ve curated the best onesies from a galaxy far, far away.


Snuggle baby outfit

Snuggle This Muggle 3-Piece Onesie

Your precious child needs lots of snuggling and cuddling during the infant stage. Sometimes, you need a reminder to keep you from jumping off a cliff because it’s 4 am and your baby is screaming louder than a Megadeth concert. Look, matching cap and pants!


Mandrake onesie

Speaking Mandrake Onesie

Behold the true tongue of babies everywhere. Their ear-piercing screams jolt you awake in the middle of the night. Their blood-curdling cries draw the eyes of everyone when you’re in public. Sometimes they are mistaken for those irritating mandrakes. How can this not make our best Harry Potter baby clothes list?




I’m A Keeper Onesie

I’m A Keeper Onesie

Did you know that Quidditch is a serious sport in the United States? Seriously, college athletes play it and there’s a pro league as well. The best thing is that it’s mixed gender allowing everyone to get into the game. It’s way better than Football, I’ll tell you that much.



Accio Milk Onesie

Accio Milk Onesie

If your little one could cast spells then it would probably make your life a little easier. Just imagine that it’s 3 am and your baby needs to be fed. A simple Accio Milk spell could satisfy its little belly without having to disturb you from your deep slumber.



Mischief Managed Onesie

Mischief Managed Onesie

Once a baby starts to crawl, there’s no stopping them. Oh, and you can bet they’re definitely up to no good. You turn around for half a second and your little one is about to permanently injure themselves. And why do they insist on putting everything in their mouth?


Harry Potter Print All Over Outfit

Harry Potter Print All Over Outfit

Sometimes you come across a onesie that is so unique that you kind of wish it was a print you could put on your wall. I’m talking about art, folks. I want bedsheets, a tent, and a chair made with this fabric. For now, we’ll have to settle for something the baby can wear.


Slytheriffic Onesie

Slytheriffic Onesie

I know some of you love Hufflepuff and hate Slytherin. However, let’s be honest Hufflepuffs don’t exactly grow up and have fruitful careers. I’m talking about success, people. That’s where the snake comes in. Don’t get mad, if you want your baby to change the world, then dress them in Gryffindor apparel.


Hogwart Gryffindor 5-Pack Onesies

Hogwart Gryffindor 5-Pack Onesies

Speaking of dressing your kid in different house mascots, you can now purchase this awesome 5-pack of mostly Gryffindor rompers. Honestly, there’s no wrong choice when choosing which house best suits your child. As long as they don’t grow up being addicted to CSI Law and Order, you’re doing a good job.



Hufflepuff Onesie

Hufflepuff Onesie

For those Hufflepuff fans out there, this onesie is absolutely precious. Not everyone can be the hero or villain in the story. Sometimes we just need the cute sweet wizards to get us through our day.


Harry Potter Nursery Ideas

Take a second and stop by our favorite Harry Potter nursery decor. Your little muggle will love growing up in a magical bedroom fit for a budding wizard.


Harry Potter Iconic Set

Harry Potter Iconic Set

With seven novels and eight films starring Harry Potter, these onesies do a good job capturing that iconographic imagery you fell in love with.



I’m A Catch Bib

I’m A Catch Bib

Generally, we frown when someone refers to themselves as a snitch, but if we’re talking about Harry Potter, then it tends to be a more positive self-identification. Just you wait. In a year or two, you’ll be playing the Seeker every day of your life.



No Good Onesie

No Good Onesie

Your little one always looks innocent, but in reality, once they start to roll, crawl, and run they are on a mission to be as mischievous as possible. Never turn your back for more than a few seconds when a baby is in the room. They are always up to no good.


We Can Be Tuff Onesie

We Can Be Tuff Onesie

Hufflepuff fans, rejoice! Here’s a romper specifically celebrating your love for the most underrated house in Hogwarts. Although, I would think any respecting parent would want their child to be a Gryffindor.


Snuggle This Baby Outfit Set

Snuggle This Baby Outfit Set

This outfit sit is perfect for parents that are looking for some different seasonal options for their little one. Snuggle this one indeed.


Marauder’s Map Onesie

Marauder’s Map Onesie

This is one of the coolest Potter onesies we list. It’s the print from the Marauder’s Map. You’ll easily be able to keep track of your child while they wear this. Unfortunately, it won’t keep them out of mischief.


Harry Potter Wizard Print Onesie

Harry Potter Wizard Print Onesie

Cool prints are hard to find, especially when you are searching for something that is from a movie or book. This wizard print is adorable.


Accio Auntie Onesie

Accio Auntie Onesie

For you Potterhead aunts out there they can’t wait to take your new niece or nephew to Universal Studios. Let the parents do all the hard work while you spoil their child and have all the fun.



Hogwarts Letter Onesie

Hogwarts Letter Onesie

Let other parents know that you hold high expectations for your child. While some moms and dads might want their baby to grow up and attend an ivy league university or become a doctor, lawyer, or business executive. You’re hoping for a powerful wizard, or at least a Hufflepuff.


Hogwarts Tie Onesie

Hogwarts Tie Onesie

Dress your baby for wizard success, in this Hogwarts-approved onesie. It might be too early for them to wield a wand or learn about defense against the dark arts, but you can pretend.



99 Problems Onesie

99 Problems Onesie

Perfect for aspiring future Quidditch players. This 99 Problems but a Snitch ain’t one will make your little a huge hit everywhere they go. Time to start saving up for that Nimbus 10,000.



Little Mandrake Onesie

Little Mandrake Onesie

Maybe your little one is more of a mandrake, rather than a dementor. You don’t feel your soul being ripped from your body, but instead, it’s more your ears are bleeding. Either way, you’re probably not getting any sleep at night.



Marauder Squad Onesie

Marauder Squad Onesie

The coolest crew in the whole bunch of wizards are the ones that created the Marauder Map. That’s right, even that little rat, Pettigrew. We really need a movie about them.



Always Onesie

Always Onesie

You love your child unconditionally just like Snape loved Lily Potter. There’s no end to your love and though you might not be able to gift them the Elder Wand, Invisibility Cloak, or the Resurrection Stone, you will always hold them in your heart.



Ravenclaw Onesie

Ravenclaw Onesie

Everyone forgets about Ravenclaw. Sure, they’re not the heroes of the story, but they aren’t the villains either. And they certainly aren’t those special kids in Hufflepuff. They’re the academics, the thinkers, possibly the most eccentric of the houses. Who doesn’t want their kid to be like Luna Lovegood.



Wizard In Training Onesie

Wizard In Training Onesie

Let the world know your little one is ready to take on the evil Voldemort. Well, maybe not quite yet, but next year for sure.



Yer A Wizard Onesie

Yer A Wizard Onesie

Yer a wizard, Harry. Remember those iconic words uttered by the lovable Hagrid? They take you back to an innocent time.


Nimbus 2000 Onesie

Nimbus 2000 Onesie

In the muggle world, parents have to blend in and use strollers when taking the baby for a stroll. Things are much different once you travel to magical places. That’s where you can break out the ol’ broom and zoom anywhere you wish.



Hogwarts Houses Onesie

Hogwarts Houses Onesie

Four baby outfits for the price of one. Who can complain, especially when you get all four Hogwart houses? Of course, you’ll have to put your little one in the Hufflepuff onesie unless you just toss that one out.



Always Onesie

Always Onesie

Sometimes it is better to just go with a simple design for your baby’s wardrobe. What better simple design than a Patronus to protect your little one when you’re not around. Hah, like you’re never not around.


Harry Potter Long Sleeve PJs

Harry Potter Long Sleeve PJs

We usually just post onesies, but gowns are wonderful for babies of any gender to sleep in. These adorable Harry Potter gowns will keep your little one warm at night. Snatch them up because designer baby gowns are not easy to come by.


No Good Onesie and Leggings

No Good Onesie and Leggings

Are those Star Wars fans giving you a hard time about being a Potterhead? They are still upset that Disney hit the reset button on the Force. Don’t let your baby be bullied by these dark side tormentors. This little outfit will make those fanboys/girls jealous. Are you a fan of black? Check out our best goth baby clothes list.



Harry Pooper Onesie

Harry Pooper Onesie

If you’re looking for something more on the funny side, then you can stop searching. Babies love to poop, but when your child reaches 4-years old and that’s all they talk about, you’ll learn to hate that word.



Expecto Vomito Onesie

Expecto Vomito Onesie

Most babies spit up from time to time. Be glad there’s no spell to conjure up even more of a mess! At least your little one won’t start spitting out slimy slugs.



Accio Milk Onesie

Accio Milk Onesie

If only there were a spell that could easily provide your little one with mommy’s milk. Sadly, there’s no such thing, but that doesn’t mean you won’t get laughs from other parents by putting your baby in this cute onesie.


Mommy’s Muggle Romper

Mommy’s Muggle Romper

Mommy’s little muggle also happens to be one of her favorites. Sure, your new child might not have special powers, but they do have ahold of your heart.



Blame Nargles Romper

Blame Nargles Romper

Nargles are the mischievous magical creatures that Luna Lovegood says live in mistletoe. No one knows if they exist, but Luna insists they stole her shoes. Feel free to blame them next time your child’s socks are missing.


Crossover Onesie

Crossover Onesie

We love crossover baby clothes. Of course, something is crossover when it mixes more than one fandom together. It’s not as easy as you think and it can be fairly cliche if the artist isn’t careful. However, this classic onesie takes the cake. Perfect for the right Star Wars / Harry Potter couple.



Harry Potter Leggings

Harry Potter Leggings

No baby outfit is complete without some really cute leggings to dress your little one in! This 3-pack of Harry Potter baby leggings will keep your little one warm on those cold days, and protect their miniature knees once they are crawling around.



Platform 9 3/4 Onesie

Platform 9 3/4 Onesie

All abroad! This simple 9 & 3/4 romper will always remind you of the time Harry crashed right into that brick pillar. Poor Hedwig. Your baby will do the same as soon as they learn to run.



Chosen One Onesie

Chosen One Onesie

We’re not talking about that little boy from the desert planet that has anger issues. We’re talking about the one true savior of everything good and wholesome. Let’s not forget little Harry was only a newborn when he conquered you know who. In a way, your baby is chosen as well, but mostly just for you.



Harry Potter Lovey

Harry Potter Lovey

Check out this soft cuddly lovey that comes in multiple colors. Perfect for new moms! Be sure to check out our best cloth diapers as well.