Derek is a masculine given name. It may also refer to:
People Derek (surname), an English-language surname Đerek, a Croatian surname Derek (footballer), Brazilian footballer
Other uses Derek (TV series) Derek (2008 film), a British documentary film Derek (1974 film), a New Zealand short film "Derek" (The Good Place episode) Derek (video game) Derek (horse), Brazilian thoroughbred racehorse Derek, a fictional character from the animated series Super Duper Bunny League