WAAJ may refer to:

WAAJ (FM), a radio station (90.5 FM) licensed to serve Benton, Kentucky, United States WVHM (FM), a radio station (89.7 FM) licensed to serve Benton, which held the call sign WAAJ from 1996 to 2023 WLOR, a radio station (1550 AM) licensed to serve Huntsville, Alabama, United States, which held the call sign WAAJ from April 1989 to April 1993 Tampa Padang Airport, in Mamuju, West Sulawesi, Indonesia