| South Africa|
| Eastern Transvaal|
| 5 May – 29 September 1988|
Western Province League
The 1990 Currie Cup Division B (known as the Santam Bank Currie Cup for sponsorship reasons) was the second division of the Currie Cup competition, the 51st season in the since it started in 1889.
Division B was expanded from six to eight teams.
Western Transvaal were promoted to Division A.
Boland, Far North and Western Province League were promoted from the Santam Bank Trophy Division A.
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.
Northern Free State and Western Transvaal were relegated from the 1990 Currie Cup Division A to the 1991 Currie Cup Central A.
Eastern Transvaal and Western Province League moved to the 1991 Currie Cup Central A.
Boland, Far North, Griqualand West, South Eastern Transvaal and Vaal Triangle moved to the 1991 Currie Cup Central B.
Border were promoted from the 1990 Santam Bank Trophy to the 1991 Currie Cup Central B.
Eastern Free State were relegated from Division B to the 1991 Currie Cup Rural C.
1990 Currie Cup Division B Wikipedia
There were eight participating teams in the 1990 Currie Cup Division B. 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 top two teams qualified for the Division B finals, played at the home venue of the higher-placed team.