| Cabinet Name: | Fourth Mahathir cabinet |
| Jurisdiction: | Malaysia |
| Cabinet Number: | 12th |
| Flag: | Flag of Malaysia.svg |
| Government Head: | Mahathir Mohamad |
| Legislature Status: | Coalition government |
| Opposition Parties: | Democratic Action Party United Sabah Party Semangat 46 Pan-Malaysian Islamic Party |
| Opposition Leader: | Lim Kit Siang |
| Election: | 1990 Malaysian general election |
| Last Election: | 1995 Malaysian general election |
| Legislature Term: | 8th Malaysian Parliament |
| Budget: | 1991, 1992, 1993, 1994, 1995 |
| Previous: | Third Mahathir cabinet |
| Successor: | Fifth Mahathir cabinet |
Mahathir Mohamad formed the fourth Mahathir cabinet after being invited by Tuanku Azlan Shah to begin a new government following the 21 October 1990 general election in Malaysia. Prior to the election, Mahathir led (as Prime Minister) the third Mahathir cabinet, a coalition government that consisted of members of the component parties of Barisan Nasional. It was the 12th cabinet of Malaysia formed since independence.
This is a list of the members of the fourth cabinet of the fourth Prime Minister of Malaysia, Mahathir Mohamad.
The federal cabinet consisted of the following ministers: