Sidearm, side-arm or Side Arm(s) may refer to:
Sidearm (weapon), a backup weapon Sidearm (baseball), a baseball throwing technique Sidearm, a flying disc (Frisbee) throw Hyper Dyne Side Arms, a 1986 arcade game AGM-122 Sidearm, a missile Side-arm flask (Büchner flask), a type of laboratory glassware