| Honorific Prefix: | Yang Berbahagia Datuk |
| John Ambrose Dumpangol | |
| Native Name Lang: | ms |
| Birth Date: | 2 March 1952 |
| Birth Place: | Kampung Dabak, Donggongon, Penampang, Crown Colony of North Borneo (now Sabah, Malaysia) |
| Office: | Senator |
| Term Start: | 16 January 2018 |
| Term End: | 15 January 2024 |
| Primeminister: | Najib Razak Mahathir Mohamad Muhyiddin Yassin Ismail Sabri Yaakob Anwar Ibrahim |
| Office1: | Faction represented in Dewan Negara |
| Subterm1: | 2018 |
| Suboffice1: | Barisan Nasional |
| Subterm2: | 2018–2019 |
| Suboffice2: | Independent |
| Subterm3: | 2019–2020 |
| Suboffice3: | Pakatan Harapan |
| Subterm4: | 2020 |
| Suboffice4: | Malaysian United Indigenous Party of Sabah |
| Subterm5: | 2020–2022 |
| Suboffice5: | Perikatan Nasional |
| Subterm6: | 2020– |
| Suboffice6: | Gabungan Rakyat Sabah |
| Party: | UMNO Sabah (Sabah UMNO) Malaysian United Indigenous Party (BERSATU) Malaysian United Indigenous Party of Sabah (Sabah BERSATU) Independent Parti Gagasan Rakyat Sabah (GAGASAN) |
| Otherparty: | Barisan Nasional (BN) Pakatan Harapan (PH) Perikatan Nasional (PN) Gabungan Rakyat Sabah (GRS) |
| Occupation: | Politician |
| Parents: | Samuel Ambrose Dumpangol (deceased) Margaret Thompson Dumpangol (deceased) |
| Spouse: | Sabrina Marthen |
John Ambrose Dumpangol (born 2 March 1952) is a Malaysian politician who served as a Senator from January 2018 to January 2024. He is a member of the Parti Gagasan Rakyat Sabah (GAGASAN), a component party of the Gabungan Rakyat Sabah (GRS) coalition and was a member of Malaysian United Indigenous Party of Sabah (Sabah BERSATU), a former component party branch of the GRS coalition and component party of the Perikatan Nasional (PN) coalition and was a member of the United Malays National Organisation (UMNO), a component party of the Barisan Nasional (BN) coalition.[1] [2] He left UMNO on 13 December 2018,[3] joined BERSATU on 15 March 2019 and moved to Sabah BERSATU after its formation on 6 April 2019. He left Sabah BERSATU on 10 December 2022.[4] [5] [6] and joined GAGASAN on 5 February 2023. He is of Kadazan-Dusun descent and is a Christian of the Roman Catholic denomination.[2]