KSEA may refer to:
- The ICAO code for Seattle-Tacoma International Airport
- KSEA (FM), a radio station (107.9 FM) licensed to Greenfield, California, United States
- KMYX-FM, a radio station (92.5 FM) licensed to Arvin, California, United States, which formerly used the call sign KSEA
- KKWF, a radio station (100.7 FM) licensed to Seattle, Washington, United States, which used the call sign KSEA until April 1991
KSEA (107.9 FM, "La Campesina 107.9 FM") is an American radio station licensed to serve the community of Greenfield, California, since 1998. The station's broadcast license is held by Farmworker Educational Radio Network, Inc.