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

• Empty sum
• Non Zero Sumness
• Zerosumfree monoid

This disambiguation page lists articles associated with the title Zero sum.
If an internal link led you here, you may wish to change the link to point directly to the intended article.