WJYI (Joy 1340 AM) is a radio station in Milwaukee, Wisconsin, USA. It runs a Christian format with Contemporary Christian Music from Salem Radio Network's Today's Christian Music network. It also features brokered teaching and preaching programs from both local Churches and national ministries. It also airs brokered ethnic programming (mostly German) and Polka music on Saturdays. It is known on-air as "Joy 1340".