WBA may refer to:
- Warner Bros. Animation
- West Bromwich Albion F.C., an English professional football team
- Western Band Association, a circuit for high school marching bands in California
- Williams Boag architects
- World Basketball Association, a professional basketball league based in the southeastern United States
- World Boxing Association, an international organization of professional boxing
- Why-Because analysis, a method of accident analysis
- WWBA, an American radio station serving the Tampa Bay, Florida, area
- WBA, a Women's Professional basketball league (1992-1995)
- the ICAO airline code for Finnish Commuter Airlines