| Honorific-Prefix: | The Honourable |
| Birth Name: | John Coumbe |
| Honorific-Suffix: | AM |
| Office: | Deputy Leader of the South Australian Liberal Party |
| Leader: | Bruce Eastick |
| Term Start: | 19 March 1973 |
| Term End: | 24 July 1975 |
| Predecessor: | Robin Millhouse |
| Successor: | Roger Goldsworthy |
| Office1: | Minister of Education |
| Predecessor1: | Joyce Steele |
| Successor1: | Hugh Hudson |
| Premier1: | Steele Hall |
| Term Start1: | 2 March 1970 |
| Term End1: | 2 June 1970 |
| Office2: | Minister for Works |
| Premier2: | Steele Hall |
| Predecessor2: | Cyril Hutchens |
| Successor2: | Allan Rodda |
| Term Start2: | 17 April 1968 |
| Term End2: | 2 March 1970 |
| Office3: | Member for Torrens |
| Predecessor3: | Leo Travers |
| Successor3: | Michael Wilson |
| Term Start3: | 3 March 1956 |
| Term End3: | 17 September 1977 |
| Birth Date: | 1916 9, df=yes |
| Birth Place: | Croydon, South Australia |
| Party: | Liberal & Country |
John William Hurtle Coumbe (28 September 1916 - 9 February 1983) was an Australian politician who represented the South Australian House of Assembly seat of Torrens from 1956 to 1977 for the Liberal and Country League and Liberal Party.[1] On 26 September 1969, Coumbe laid the millionth brick of the Strathmont Centre in what is now Oakden.