| Cabinet Name: | Third Mahathir cabinet |
| Jurisdiction: | Malaysia |
| Cabinet Number: | 11th |
| Flag: | Flag of Malaysia.svg |
| Government Head: | Mahathir Mohamad |
| Deputy Government Head: | Abdul Ghafar Baba |
| Legislature Status: | Coalition government |
| Opposition Leader: | Lim Kit Siang |
| Election: | 1986 Malaysian general election |
| Last Election: | 1990 Malaysian general election |
| Legislature Term: | 7th Malaysian Parliament |
| Budget: | 1987, 1988, 1989, 1990 |
| Previous: | Second Mahathir cabinet |
| Successor: | Fourth Mahathir cabinet |
Mahathir Mohamad formed the third Mahathir cabinet after being invited by Tuanku Iskandar to begin a new government following the 3 August 1986 general election in Malaysia. Prior to the election, Mahathir led (as Prime Minister) the second Mahathir cabinet, a coalition government that consisted of members of the component parties of Barisan Nasional. It was the 11th cabinet of Malaysia formed since independence.
This is a list of the members of the third cabinet of the fourth Prime Minister of Malaysia, Mahathir Mohamad.
The federal cabinet consisted of the following ministers: