| Cabinet Name: | First Mahathir cabinet |
| Jurisdiction: | Malaysia |
| Cabinet Number: | 9th |
| Flag: | Flag of Malaysia.svg |
| Government Head: | Mahathir Mohamad |
| Deputy Government Head: | Musa Hitam |
| State Head: | Tuanku Ahmad Shah |
| Legislature Status: | Coalition government |
| Opposition Parties: | Democratic Action Party Pan-Malaysian Islamic Party Sarawak People's Organization |
| Opposition Leader: | Lim Kit Siang |
| Last Election: | 1982 Malaysian general election |
| Legislature Term: | 5th Malaysian Parliament |
| Budget: | 1982 |
| Previous: | Second Hussein cabinet |
| Successor: | Second Mahathir cabinet |
Mahathir Mohamad, the fourth Prime Minister of Malaysia, formed the first Mahathir cabinet in 1981 after being invited by Tuanku Ahmad Shah to form a new government. It was the 9th cabinet of Malaysia formed since independence.
The federal cabinet consisted of the following ministers: