Zark

Zark may refer to:
 * An imaginary literary character from the children's adventure story ZARK
 * Zarquon, a character in The Hitchhiker's Guide to the Galaxy
 * An imaginary planet in Bill Watterson's comic strip Calvin and Hobbes
 * 7-Zark-7, a robot character in the American animated series Battle of the Planets
 * Zark Rifle, a sniper rifle mod for the Unreal Tournament computer game series
 * In The Paging Game, what you do with a thing is to zark it. Everybody takes turns zarking.
 * Zark the Squeezer, protagonist of bara comic collection Zark the Squeezer by artist Rokudenashi.
 * Mark Zuckerberg