Runoff

Runoff, run-off or RUNOFF may refer to:
 * Runoff (hydrology), the flow of water over land
 * Channel runoff, the confined flow of water
 * Surface runoff, the unconfined flow of water over land
 * Runoff model (reservoir), a mathematical model involving rainfall and runoff
 * Runoff curve number, an empirical parameter used in hydrology
 * RUNOFF, the first computer text-formatting program
 * Runoff or run-off, another name for bleed, printing that lies beyond the edges to which a printed sheet is trimmed
 * Runoff or run-off, a stock market term
 * Runoff voting system, also known as the two-round system, a voting system where a second round of voting is used to elect one of the two candidates receiving the most votes in the first round
 * Instant-runoff voting, an extension or variation of runoff voting where a second round can be rendered unnecessary by voters ranking candidates in order of preference
 * Run-off area, a racetrack safety feature
 * Runoff (2014 film) directed by Kimberly Levin