KSSU may refer to:
- KSSU (AM), the internet radio station of California State University, Sacramento
- KSSU (FM), a radio station (91.9 FM) licensed to Durant, Oklahoma, United States
- Kirby Super Star Ultra, a Nintendo DS video game
KSSU (91.9 FM) is a radio station broadcasting a contemporary hit radio format. Licensed to Durant, Oklahoma, USA, the station serves Southeastern Oklahoma State University. The station is currently owned by Southeastern Oklahoma State University.