| Honorific-Prefix: | Dr. |
| Yaakob Sapari | |
| Subterm5: | 2008–2018 |
| Suboffice5: | Parti Keadilan Rakyat |
| Office1: | Member of the Selangor State Executive Council |
| Term Start1: | 13 March 2008 |
| Term End1: | 5 May 2013 |
| Monarch1: | Sharafuddin |
| 1Blankname1: | Menteri Besar |
| 1Namedata1: | Abdul Khalid Ibrahim |
| Successor1: | Sallehen Mukhyi Portfolio abolished Daroyah Alwi |
| Office3: | Faction represented in Dewan Negara |
| Subterm3: | 2018– |
| Suboffice3: | Pakatan Harapan |
| Birth Date: | 14 August 1961 |
| Birth Place: | Pontian, Johor, Federation of Malaya (now Malaysia) |
| Citizenship: | Malaysian |
| Party: | Parti Keadilan Rakyat (PKR) |
| Otherparty: | Pakatan Harapan (PH) Pakatan Rakyat (PR) |
| Occupation: | Politician |
| Alma Mater: | Universiti Putra Malaysia Universiti Kebangsaan Malaysia |
Yaakob bin Sapari (born 14 August 1961) is a Malaysian politician and was served as Selangor State Legislative Assemblyman for two terms. From 2008 until 2013, he was appointed as Selangor State Executive Councillor. When Pakatan Harapan become the federal government, he appointed as Senator since 2018 until his term end in 2021.[1]
| Constituency | Candidate | Votes | Pct | Opponent(s) | Votes | Pct | Ballots cast | Majority | Turnout | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1999 | N29 Puchong | Yaakob Sapari (KeADILan) | 12,890 | 41.92% | Mohamad Satim Diman (UMNO) | 17,861 | 58.08% | 32,173 | 4,971 | 74.67% | ||||
| 2004 | N29 Seri Serdang | Yaakob Sapari (PKR) | 7,378 | 28.88% | Mohamad Satim Diman (UMNO) | 17,923 | 70.16% | 26,014 | 10,545 | 65.55% | ||||
| Mazli Mansor (IND) | 246 | 0.96% | ||||||||||||
| 2008 | N40 Kota Anggerik | Yaakob Sapari (PKR) | 15,738 | 53.76% | (UMNO) | 13,538 | 46.24% | 29,830 | 2,200 | 77.60% | ||||
| 2013 | Yaakob Sapari (PKR) | 26,261 | 54.53% | Mohd Yusof Din (UMNO) | 21,578 | 45.18% | 48,738 | 4,503 | 88.69% | |||||
| Eriq Faisal Rusli (IND) | 136 | 0.28% | ||||||||||||