ELF Corporation (エルフ or élf) is a hentai game studio. One of its most popular games is Dōkyūsei, a pioneering dating sim, which has had a sequel, and been turned into video and TV series. The character design of the main villains from the -saku series is the company mascot.

élf was founded on April 27, 1989 in Tokyo. From 2004, until the company closed for business in 2015, the CEO was Atsushi Shimoda (下田篤).