Letter O Fancy Dress Costume Ideas!
Are you going to a fancy dress party where the host has said you must come in something beginning with O? Of course you are, that’s why you’re here. Well, show that awkward host that you have got it sorted. Here we have an amazing selection of fancy dress costumes beginning with the letter O! Take a look at our letter O costumes so you can get a unique idea of what to go to your party as.
Also, don’t forget to check out our letter O fancy dress board on Pinterest. Where we are always updating our Pinterest boards with lots more ideas and inspiration so you can find the perfect costume for your next fancy dress party!
101 Amazing Fancy Dress Costume Ideas Beginning with the Letter O!
Costumes Beginning with O!

Outback Crocodile Hunter Hat
Get your Crocodile Dundee on with our awesome outback Crocodile hunter hat and you’ll be able to tell everyone all night, what is and isn’t a knife.

Overhead Pig Mask
Our overhead Pig mask will give everyone a bit of a fright at your letter O fancy dress party. Unless they’re really into Pigs, which is everyone…

Occult Devil Costume
This is our Occult Devil costume which comes in this stunning red dress that be sure to make you stand out at your next letter O fancy dress party.

Occult All Seeing Eye Halloween Pendant
We’re sticking with the occult theme here with our amazing occult all seeing eye Halloween pendant. It’s the perfect accessory for all your occulty needs and will make your occult costume stand out.

Occult Tattoo Transfers
Okay, so we’ve established that going to your letter o fancy dress party as a member of the occult is something your should do. To make it even better, here’s some occult transfer tattoos!

Oktoberfest Auburn Pigtail Wig
Complete your Oktoberfest outfit with this pigtail wig. The wig comes in the colour auburn with two pigtails and black bows attached at the end of each tail. It also comes in one size and will fit most adults. The wig will also not be heat resistant.

Oktoberfest Black Pigtail Wig
Complete your Oktoberfest outfit with this pigtail wig. The wig comes in the colour black with two pigtails and black bows attached at the end of each tail. It also comes in one size and will fit most adults. The wig will also not be heat resistant.

Oktoberfest Blonde Pigtail Wig
Complete your Oktoberfest outfit with this pigtail wig. The wig comes in the colour blonde with two pigtails and black bows attached at the end of each tail. It also comes in one size and will fit most adults. The wig will also not be heat resistant.

Oriental China Man Instant Dress Up Kit
Our oriental China man instant dress up kit comes with the hat, the fan and the moustache.

Opaque Bodysuit Red
You could always go to your fancy dress party in the simplest costume possible…our opaque bodysuit in red with long sleeves, and snap crotch. This comes in a display box too.