Exa or EXA may refer to:
exa-, a metric prefix denoting a factor of 1018 EXA, a graphics acceleration architecture Ecuadorian Civilian Space Agency Exa Corporation, an American software developer Exa TV, a Mexican television channel My-HiME EXA, an anime comedy series Nissan EXA, an automobile Shining Force EXA, a video game Exa, a range of small-format Exakta cameras exa (command-line utility), a program for listing files Exa Dark Sideræl Musk, daughter of Grimes and Elon Musk