1991 Currie Cup Central B

The 1991 Currie Cup Central B was the third 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

 * The 1990 season was the last edition of the Currie Cup Division B. Instead, the second tier was changed to a Currie Cup Central Division, which had a four-team Division A and a four-team Division B.
 * ,, , and  moved from the 1990 Currie Cup Division B to the Central B Division.
 * were promoted from the 1990 Santam Bank Trophy to the Central B Division.

Changes between 1991 and 1992 seasons

 * were initially relegated from 1991 Currie Cup Central A to 1992 Currie Cup Central B. However, following the merger of all rugby governing bodies in South Africa, were dissolved and  retained their place in Currie Cup Central A.  Currie Cup Central B was reduced to five teams for 1992.
 * were promoted from the Central B to 1992 Currie Cup Central A.

Competition
There were six participating teams in the 1991 Currie Cup Central B 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 B competition played off against the winner of the Central A competition for the Bankfin Cup.

In addition, all the Currie Cup Central B teams also played in the 1991 Currie Cup Central / Rural Series.

Final
The winner of the Central B competition played off against the winner of the Central A competition for the Bankfin Cup.


 * The Bankfin Cup was shared between and.

Promotion play-offs
As a result of the play-offs, were promoted to the 1992 Currie Cup Central A competition, while  were relegated to the 1992 Currie Cup Central B competition.