1990 Santam Bank Trophy
The 1989 Santam Bank Trophy was the third tier of domestic South African rugby, below the two Currie Cup divisions.
Teams
| 1990 Santam Bank Trophy |
Changes between 1989 and 1990 seasons
- Divisions A and B merged into one nine-team division.
- , and were promoted to the Currie Cup Division B.
Changes between 1990 and 1991 seasons
- The 1990 season was the last edition of the Santam Bank Trophy. Instead, these teams were included in a Currie Cup Rural Division, which had a four-team Division C and a five-team Division D.
- were promoted to the 1991 Currie Cup Central B.
- were relegated from 1990 Currie Cup Division B to the 1991 Currie Cup Rural C.
- , and moved to the 1991 Currie Cup Rural C.
- ,,, and moved to the 1991 Currie Cup Rural D.