FC Barcelona won the Spanish League in 1991.
The winners of the Belgian League in 1991 were RSC Anderlecht.
The winners of the Soviet Supreme League in 1991 were CSKA Moscow.
The Italy League winners of 1991 were UC Sampdoria Football Club.
The Kenya premier league winners in 1991 were GOR Mahia.
FC Barcelona were the Spanish La Liga winners in 1991.
The winners of the Spanish La Liga Primera Division (LLPD) in 1991 were FC Barcelona.