| Honorific-Prefix: | Hon. |
| (John) Henry Okwanyo | |
| Native Name Lang: | Luo |
| Office: | Minister of Energy, MP for Migori |
| Term Start: | 1969 |
| Term End: | 1992 |
| Successor: | Gilbert Kabere M'mbijiwe |
| Office2: | Member of Parliament |
| Term Start2: | 1963 |
| Term End2: | 1992 |
| Constituency: | Migori (Migori) |
| Birth Date: | 1928 |
| Birth Place: | Migori, Migori (Nyanza Kenya) |
| Death Date: | 5 Dec 1994 |
| Death Place: | Nairobi, Kenya |
| Restingplace: | Migori, Migori |
| Birthname: | John Okwanyo |
| Citizenship: | Kenya |
| Nationality: | Kenyan |
| Party: | Kenya African National Union (KANU) |
| Residence: | Migori |
| Alma Mater: | Medical Training College |
| Cabinet: | Daniel arap Moi |
John Henry Okwanyo was a politician from Kenya. He served in the government and cabinet of Daniel arap Moi, Kenya's second president, for many years. During this time, he held the post of member of parliament for the Larger Migori constituency (1963 – 1992) and the portfolios of Minister of Energy.[1]
Hon. Okwanyo was born in South Nyanza in 1928 and received his early education at Nyamome Primary, Kisii High School between 1946 and 1950 before joining the Medical Training Centre (MTC), Nairobi, where he qualified as a radiographer in 1953.His mother is Hellen Nyachieo who hails from Waswetta and Father Noah Biko a Jakatiga.
Mr Okwanyo was first elected to Parliament in 1963 to represent Migori.He was appointed an Assistant Minister[2] for Foreign affairs in 1969[3] and then as Minister of Commerce & Industry[4] in 1979 before moving to head the Ministry of Energy[5] from 1980 to 1982.[6] Hon. John Okwanyo was a member of the Anti-communist league and he represented Kenya in the 12th conference held in Seoul, Korea.[7]