| Honorific-Prefix: | Yang Berbahagia Dato' |
| Mohamad Satim Diman | |
| Native Name: | Malay: {{Script|Arab|محمد صتيم ديمان |
| Birth Place: | Selangor, Malaysia |
| Office: | State Leader of the Opposition of Selangor |
| Term Start: | 8 January 2011 |
| Term End: | 5 May 2013 |
| 1Blankname: | Menteri Besar |
| 1Namedata: | Khalid Ibrahim |
| Predecessor: | Khir Toyo |
| Successor: | Mohd Shamsudin Lias |
| Constituency Am1: | Seri Serdang |
| Assembly1: | Selangor State Legislative |
| Term Start1: | 21 March 2004 |
| Term End1: | 5 May 2013 |
| Predecessor1: | Constituency established |
| Successor1: | Noor Hanim Ismail (PR–PAS) |
| Majority1: | 10,545 (2004) 45 (2008) |
| Constituency Am2: | Puchong |
| Assembly2: | Selangor State Legislative |
| Term Start2: | 1995 |
| Term End2: | 2004 |
| Predecessor2: | Constituency established |
| Successor2: | Constituency abolished |
| Majority2: | 12,767 (1995) 4,971 (1999) |
| Party: | United Malays National Organisation (UMNO) |
| Otherparty: | Barisan Nasional (BN) |
| Occupation: | Politician |
| Alma Mater: | Universiti Putra Malaysia |
Mohamad Satim bin Diman (Malay: محمد ساتيم دمن|label=[[Jawi alphabet|Jawi]]|script=arab|italic=unset, in Malay pronounced as /mohamad satim/) is a Malaysian politician who served as the Leader of the Opposition of Selangor from June 2008 to January 2011 and a Member of the Selangor State Assembly (MLA) representing Puchong from 1995 to 2004 and Seri Serdang from 2004 to 2013.[1] He is a member of the United Malays National Organisation (UMNO), a component party of the Barisan Nasional (BN) coalition
| Constituency | Candidate | Votes | Pct | Opponent(s) | Votes | Pct | Ballots cast | Majority | Turnout | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1995 | N29 Puchong | (UMNO) | 18,516 | 72.86% | Nadarasa Muthuthamby (DAP) | 5,749 | 22.62% | 26,252 | 12,767 | 75.53% | |||
| Abdul Sani Ali (PAS) | 1,149 | 4.52% | |||||||||||
| 1999 | Mohamad Satim Diman (UMNO) | 17,861 | 58.08% | Yaakob Sapari (KeADILan) | 12,890 | 41.92% | 32,173 | 4,971 | 74.67% | ||||
| 2004 | N29 Seri Serdang | Mohamad Satim Diman (UMNO) | 17,923 | 70.16% | Yaakob Sapari (KeADILan) | 7,378 | 28.88% | 26,014 | 10,545 | 65.55% | |||
| Mazli Mansor (IND) | 246 | 0.96% | |||||||||||
| 2008 | Mohamad Satim Diman (UMNO) | 18,932 | 50.06% | Ahmad Idzam Ahmad (PAS) | 18,887 | 49.94% | 38,799 | 45 | 77.98% | ||||
| 2018 | Mohamad Satim Diman (UMNO) | 12,725 | 28.05% | (AMANAH) | 27,088 | 59.71% | 46,054 | 14,363 | 87.18% | ||||
| Noor Hanim Ismail (PAS) | 5,552 | 12.24% | |||||||||||