Zero sum (disambiguation)

Zero sum is a situation in which a participant's gain or loss is exactly balanced by the losses or gains of the other participants.

Zero sum may also refer to:
 * "Zero Sum" (The X-Files episode)
 * Monthly Comic Zero Sum, a monthly shōjo manga published by Ichijinsha
 * "Zero-Sum", a song by Nine Inch Nails from Year Zero
 * Zero-sum problem
 * Zero-sum thinking
 * Zero Sum Game, a 2018 novel by S. L. Huang
 * Zero-Sum: Stories, a 2023 collection of short stories by Joyce Carol Oates