| Honorific-Prefix: | Yang Berbahagia Tan Sri Dato' Sri Diraja Haji |
| Adnan Yaakob | |
| Birth Name: | Adnan bin Yaakob |
| Birth Date: | 18 April 1950 |
| Birth Place: | Bentong, Pahang, Federation of Malaya (now Malaysia) |
| Order: | 13th Menteri Besar of Pahang |
| Term Start: | 25 May 1999[1] |
| Term End: | 15 May 2018 |
| Deputy: | Hasan Arifin (1999) Tan Aminuddin Ishak (1999–2008) |
| Predecessor: | Mohd Khalil Yaakob |
| Successor: | Wan Rosdy Wan Ismail |
| Office8: | Faction represented in Pahang State Legislative Assembly |
| Subterm8: | 1986–2022 |
| Suboffice8: | Barisan Nasional |
| Party: | United Malays National Organisation (UMNO) |
| Otherparty: | Barisan Nasional (BN) Perikatan Nasional (PN) Muafakat Nasional (MN) |
| Citizenship: | Malaysian |
| Occupation: | Teacher |
| Spouse: | Junaini Kassim |
| Alma Mater: | University of Malaya International Islamic University Malaysia |
| Native Name: | Malay: {{Script|Arab|عدنان يعقوب |
Adnan Yaakob (Jawi: عدنان بن حاج يعقوب; born 18 April 1950) is a Malaysian politician who served as the 13th Menteri Besar of Pahang from 25 May 1999 to 15 May 2018. He is a member of the United Malays National Organisation (UMNO).
Born (in 1950) and raised in Bentong, Pahang, Adnan Yaakob graduated from secondary school and became a teacher in 1969. He then attended the University of Malaya from 1972 and graduated in 1975. He studied for his Diploma of Education until 1977 before enrolling at the International Islamic University Malaysia to study law.
Adnan never completed his law studies, having dropped out to join full-time politics.[2] He contested and won the Pahang State Legislative Assembly seat in Pelangai during the 1986 general election. He was elected UMNO division chief in Bentong in 1987.
In 1999, Adnan was appointed Menteri Besar of Pahang, succeeding Mohd Khalil Yaakob.[3]
In the aftermath of the 2018 election, he was succeeded by Wan Rosdy Wan Ismail as Menteri Besar. At 19 years of service, Adnan Yaakob is the longest-serving Menteri Besar of Pahang to date.
Adnan is married to Junaini Kassim and the couple have four children.
| Constituency | Candidate | Votes | Pct | Opponent(s) | Votes | Pct | Ballots cast | Majority | Turnout | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1986 | N27 Pelangai | Adnan Yaakob (UMNO) | 5,955 | 72.08% | Lee Hon (DAP) | 1,791 | 21.67% | 8,506 | 4,164 | 74.42% | ||||
| Mat Shun Sidek (PAS) | 516 | 6.25% | ||||||||||||
| 1990 | Adnan Yaakob (UMNO) | 6,231 | 68.13% | Shamsuddin Moner (S46) | 2,915 | 31.87% | 9,517 | 3,316 | 73.37% | |||||
| 1995 | N31 Pelangai | Adnan Yaakob (UMNO) | 5,484 | 82.76% | Mohamed Buyong (S46) | 1,142 | 17.24% | 6,861 | 4,342 | 71.74% | ||||
| 1999 | Adnan Yaakob (UMNO) | 4,529 | 65.27% | Abdul Wahid Ahmad Suhaime (keADILan) | 2,410 | 34.73% | 7,110 | 2,119 | 72.85% | |||||
| 2004 | N36 Pelangai | Adnan Yaakob (UMNO) | 5,521 | 74.90% | Mohamed Mat Ali (PAS) | 1,850 | 25.10% | 7,580 | 3,671 | 75.70% | ||||
| 2008 | Adnan Yaakob (UMNO) | 5,406 | 68.94% | Hamdan Ahmad (PAS) | 2,436 | 31.06% | 8,010 | 2,970 | 77.09% | |||||
| 2013 | Adnan Yaakob (UMNO) | 6,245 | 62.36% | Abdul Hamid Bahatim (PAS) | 3,770 | 37.64% | 10,242 | 2,475 | 85.30% | |||||
| 2018 | Adnan Yaakob (UMNO) | 5,410 | 52.40% | Nor Haizan Abu Hassan (AMANAH) | 3,098 | 30.00% | 10,542 | 2,312 | 82.50% | |||||
| Zaharim Osman (PAS) | 1,817 | 17.60% | ||||||||||||