Look up overkill in Wiktionary, the free dictionary.
Overkill may refer to:
- Overkill (term), the use of excessive force or action to achieve a goal
- Surplus killing, when a predator kills more prey than it can eat
- Overexploitation, depletion of a natural resource through overharvesting
- Overfishing
- Overkill hypothesis, a proposed cause of Quaternary extinction