Overrun

Overrun may refer to:


 * Overrun brake
 * Overrun, the condition of a vehicle travelling without throttle, see freewheel
 * Overrunning clutch, see freewheel
 * Buffer overrun, see buffer overflow
 * Overrun is the section of a runway, sometimes called a blast pad, that is used as an emergency space to slowly stop planes after an aborted takeoff or a problem on landing
 * Cost overrun
 * Overrun is the amount of air injected into soft serve ice creams