Kink or KINK can refer to:
- Kink (sexual), a colloquial term for non-normative sexual behavior
- KinK, a Canadian documentary television series profiling some of the more unusual edges of human sexuality
- KINK-FM (101.9), a radio station in Portland, Oregon, in the United States
- Kink FM, a radio station in the Netherlands
- The Kinks, a British rock band
- A colloquial term for a trigger point
- Kinks are solutions to the Sine-Gordon equation
- Sun kink, a buckling of railway tracks caused by high temperature.
- Kink.com, an internet pornography company focusing on BDSM and related fetishes
- Kerberized Internet Negotiation of Keys, a Kerberos-based protocol used in IPSec similar to Internet Key Exchange
- Tarmo Kink (born 1985), Estonian football player