| Honorific-Prefix: | Yang Berbahagia Tan Sri Dato' Paduka Haji |
| Badruddin Amiruldin | |
| Birth Date: | 20 May 1951 |
| Birth Place: | Kedah, Federation of Malaya (now Malaysia) |
| Office: | Permanent Chairman of UMNO |
| Term Start: | 5 November 2007 |
| Predecessor: | Onn Ismail |
| Office1: | Faction represented in Dewan Rakyat |
| Subterm1: | 1992–1999 |
| Suboffice1: | Barisan Nasional |
| Subterm2: | 2004–2008 |
| Suboffice2: | Barisan Nasional |
| Office5: | Other roles |
| Subterm5: | 2008–2018 |
| Suboffice5: | Chairman of Federal Agricultural Marketing Authority (FAMA) |
| Party: | United Malays National Organisation (UMNO) |
| Otherparty: | Barisan Nasional (BN) |
| Occupation: | Politician |
| Native Name: | Malay: {{Script|Arab|بدرالدين أميرالدين |
Badruddin bin Amiruldin (born 20 May 1951) is a Malaysian politician. He is currently the Permanent Chairman of the United Malays National Organisation (UMNO), the largest Malay political party in the country and the leader of the Barisan Nasional (BN) coalition. Badruddin was also, until his defeat in the March 2008 General Elections, the Member of Parliament for the constituency of Jerai, Kedah in the lower house of Parliament, the Dewan Rakyat.
Badruddin was not a very well known politician in the early 1990s and started as a backbencher in Parliament, when he made his electoral debut in the 1992 Jerai by-election and get elected the first time as the Member of Parliament for the constituency of Jerai before it was abolished in 1995. Badruddin then contested and won the constituency of Yan, Kedah in the 1995 general election but he was defeated in the 1999 general election to Nasharudin bin Mat Isa from (PAS), losing by 182 votes.
In the 2004 general election, Badruddin ran for the new re-created Jerai constituency and managed to elected to represent the seat again for second time under the UMNO ticket. He defeated his opponent, Che Din bin Arshad from PAS, with a majority of 10,405. Later that same year, he was elected as the Deputy Permanent Chairman of UMNO with 1,510 delegates voting for him.
In the 12th general election on 8 March 2008, Badruddin failed to retain his Jerai seat and lost to a newcomer from PAS, Mohd Firdaus Jaafar by a majority of 2,299 votes.
| Constituency | Candidate | Votes | Pct | Opponent(s) | Votes | Pct | Ballots cast | Majority | Turnout | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1992 | P010 Jerai | (UMNO) | 14,538 | 57.35% | Nasir Othman (PAS) | 10,812 | 42.65% | Unknown | 3,726 | Unknown | ||||
| 1995 | P012 Yan | (UMNO) | 16,755 | 57.45% | Mohd Najib Fahami Yahaya (PAS) | 12,412 | 42.55% | 30,115 | 4,343 | 74.07% | ||||
| 1999 | (UMNO) | 15,859 | 49.71% | Nasharudin Mat Isa (PAS) | 16,041 | 50.29% | 32,428 | 182 | 76.70% | |||||
| 2004 | P012 Jerai | (UMNO) | 30,154 | 60.43% | Che Din Arshad (PAS) | 19,749 | 39.57% | 50,918 | 10,405 | 79.70% | ||||
| 2008 | (UMNO) | 24,211 | 47.73% | Mohd Firdaus Jaafar (PAS) | 26,510 | 52.27% | 51,913 | 2,299 | 78.97% | |||||