|Countries South Africa|
Runners-up Northern Free State
|Champions Western Transvaal|
Matches played 12
|Date 27 April – 13 September 1991|
The 1991 Currie Cup Central A was the second division of the Currie Cup competition, the premier domestic rugby union competition in South Africa. This was the 53rd season since the competition started in 1889.
Changes between 1990 and 1991 seasons
Changes between 1991 and 1992 seasons
There were four participating teams in the 1991 Currie Cup Central A competition. These teams played each other twice over the course of the season, once at home and once away. Teams received two points for a win and one points for a draw. The winner of the Central A competition played off against the winner of the Central B competition for the Bankfin Cup.
In addition, all the Currie Cup Central A teams also played in the 1991 Currie Cup / Central Series.
The winner of the Central A competition played off against the winner of the Central B competition for the Bankfin Cup.
As a result of the play-offs, Border were promoted to the 1992 Currie Cup Central A competition, while Eastern Transvaal were relegated to the 1992 Currie Cup Central B competition.