FC2 can refer to:
FC2 (portal), a popular Japanese Internet content portal FC2: an EEG electrode site according to the 10–20 system The nitrile version of the female condom, introduced in 2005 Fire Controlman Second Class, a rating in the United States Navy Fiction Collective Two, an American author-run, not-for-profit publisher of avant-garde, experimental fiction, with the website fc2.org Far Cry 2, a video game by Ubisoft