| Honorific-Prefix: | Yang Berhormat Tan Sri Datuk Amar |
| Mohamad Asfia Awang Nassar | |
| Native Name: | Malay: {{Script|Arab|محمد أصفية أواڠ نصّار |
| Order: | Acting Yang di-Pertua Negeri of Sarawak |
| 1Blankname: | Premier |
| 1Namedata: | Abang Johari Openg |
| Term Start: | 16 August 2023 |
| Term End: | 17 September 2023 |
| Order2: | Speaker of the Sarawak State Legislative Assembly |
| 1Blankname2: | Premier |
| 1Namedata2: | Abang Johari Openg |
| 2Blankname2: | Chief Minister |
| 2Namedata2: | Abdul Taib Mahmud Adenan Satem Abang Johari Openg |
| Predecessor2: | Song Swee Guan |
| Term Start2: | 15 January 2000 |
| Order3: | Deputy Speaker of the Sarawak State Legislative Assembly |
| Governor3: | Ahmad Zaidi Adruce |
| 1Blankname3: | Chief Minister |
| 1Namedata3: | Abdul Taib Mahmud |
| Term Start3: | 1995 |
| Term End3: | 2000 |
| Order4: | Chairperson of Parti Pesaka Bumiputera Bersatu |
| President4: | Abang Johari Openg |
| Term Start4: | 2002 |
| Order5: | Member of the Sarawak State Legislative Assembly for Semop |
| Predecessor5: | Constituency established |
| Successor5: | Abdullah Saidol |
| Term Start5: | 20 May 2006 |
| Term End5: | 16 April 2011 |
| Order6: | Member of the Sarawak State Legislative Assembly for Serdeng |
| Predecessor6: | Constituency established |
| Successor6: | Constituency abolished |
| Term Start6: | 1991 |
| Term End6: | 2006 |
| Birth Name: | Mohamad Asfia bin Awang Nassar |
| Birth Date: | 8 October 1947 |
| Citizenship: | Malaysian |
| Party: | Parti Pesaka Bumiputera Bersatu |
| Occupation: | Lawyer, politician |
| Spouse: | Puan Sri Datin Amar Fatimah Mohamad Iskandar |
| Alma Mater: | University of Leeds |
| Termstart1: | 1 December 2019 |
| Termend1: | 11 January 2020 |
| 1Blankname1: | Chief Minister |
| 1Namedata1: | Abang Johari Openg |
| Order7: | Member of the Sarawak State Legislative Assembly for Kuala Rajang |
| Term Start7: | 1979 |
| Term End7: | 1983 |
| Predecessor7: | Abdul Rahman Ya'kub |
| Successor7: | Saidi Olia |
| Majority5: | 3,226 (2006) |
Mohamad Asfia bin Awang Nassar (born 8 October 1947) is a Malaysian politician who has served as the Speaker of Sarawak State Legislative Assembly since 15 January 2000 and previously was the Deputy Speaker from 1995 to 2000. He holds the record for being the longest serving Speaker in the Commonwealth. He had served as the Acting Yang di-Pertua Negeri of Sarawak from 1 December 2019 to 11 January 2020 and again from 16 August 2023 to 17 September 2023. He was also the Member of the Sarawak State Legislative Assembly (MLA) for Serdeng and Semop between 1991 and 2011 and the MLA for Kuala Rajang between 1979 and 1983.
In August 2023, Mohamad Asfia was appointed as Acting Yang di-Pertua Negeri of Sarawak following the absence of Tun Abdul Taib Mahmud who was in the process of recovering his health abroad.[1] Taib was previously in Turkiye for a holiday before facing health problems and undergoing a surgical procedure. He taken his oath in The Astana, Petra Jaya. Among present to witness the ceremony was the Premier of Sarawak, Tan Sri Abang Johari Tun Openg and the Kuching High Court Judge, Justice Dato Dr. Alwi Abdul Wahab.
| Constituency | Candidate | Votes | Pct | Opponent(s) | Votes | Pct | Ballots cast | Majority | Turnout | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1979 | N23 Kuala Rajang | Mohamad Asfia Awang Nassar (PBB) | 76.29% | bgcolor= | (PAJAR) | 10.92% | |||||||||
| (IND) | |||||||||||||||
| (IND) | |||||||||||||||
| 1991 | N29 Serdeng | Mohamad Asfia Awang Nassar (PBB) | 3,079 | 56.67% | bgcolor= | Awg. Ahmad (PERMAS) | 1,569 | 28.88% | 5,527 | 1,510 | 75.46% | ||||
| Abu Seman Mat (IND) | 690 | 12.70% | |||||||||||||
| Yosof Basri (DAP) | 58 | 1.07% | |||||||||||||
| bgcolor= | Ali Hassan Tajol (NEGARA) | 37 | 0.68% | ||||||||||||
| 1996 | N31 Serdeng | Mohamad Asfia Awang Nassar (PBB) | 4,075 | 73.45% | Zaiton Nor Mohamed (IND) | 1,328 | 23.94% | 5,660 | 2,747 | 71.44% | |||||
| Ibrahim Taha (IND) | 145 | 2.61% | |||||||||||||
| 2001 | Mohamad Asfia Awang Nassar (PBB) | 4,255 | 76.10% | Abdul Kadir Madahan (IND) | 1,336 | 23.90% | 5,715 | 2,919 | 70.46% | ||||||
| 2006 | N36 Semop | Mohamad Asfia Awang Nassar (PBB) | 4,479 | 78.14% | Noh @ Sa'bi (KeADILan) | 1,253 | 21.86% | 5,854 | 3,226 | 63.89% | |||||
Malaysia :