OKCupid is one of those dating sites that has little search functionality. There certainly is no username search on OKCupid. With a simple url hack you CAN search for anyone by username on OKCupid. There are no partial matches so unless you know the exact username of the person you will not be able to find them.

To perform this search you have to be logged into OKCupid. If you don't have an account but don't want to create one, just create a fake profile and then you can perform username searches all day. To perform the search ...

Copy and paste this web address https://www.okcupid.com/profile/[username] into your web browser. Obviously replace [username] with the actual username of the person you are trying to find. If the profile does exist then you will ...