WBAJ (890 AM) is a radio station licensed to Blythewood, South Carolina, and serving the Columbia metropolitan area during the daytime hours only. Broadcasting under the on-air name Columbia Christian Talk Radio, WBAJ carries a Christian radio format and is licensed to Bible Clarity.
WBAJ is also heard on low-power FM translator W269DU, broadcasting at 101.7 MHz in Columbia.
On October 8, 1999, the station signed on with its Christian talk radio format and added it's translator at full power in 2019.