KNAI (88.3 FM) is an American non-commercial educational radio station broadcasting a Regional Mexican music format. Licensed to Phoenix, Arizona, USA, it serves the Phoenix area. The station is currently owned by the César Chávez Foundation.
KNAI operates the programming during daytime hours from 5AM to 7:30PM, with the remaining hours used by KPHF to play religious fare. The stations' owners began this shared time arrangement in 1990.
On September 2, 2011, lawyers representing radio stations KNAI and KUFW (Woodside, California) notified the FCC that license holder National Farm Workers Service Center, Inc., had legally changed its name to the "César Chávez Foundation" on June 30, 2010.