| Jeff Douthwaite | |
| State House1: | Washington |
| District1: | 43rd |
| Term Start1: | January 13, 1975 |
| Term End1: | November 7, 1979 |
| Predecessor1: | John Rabel |
| Successor1: | Nita Rinehart |
| Term Start2: | January 8, 1973 |
| Term End2: | January 13, 1975 |
| Predecessor2: | Jim McDermott |
| Successor2: | Warren Peterson |
| State House3: | Washington |
| District3: | 32nd |
| Term Start3: | January 11, 1971 |
| Term End3: | January 8, 1973 |
| Predecessor3: | Mary Ellen McCaffree |
| Successor3: | Alvin C. Williams |
| Birth Date: | 7 September 1929 |
| Birth Place: | Montreal, Quebec, Canada |
| Death Place: | Seattle, Washington, U.S. |
| Party: | Democratic |
Jeff Douthwaite (September 7, 1929 – September 17, 2008) was an American politician who served in the Washington House of Representatives from 1971 to 1979.[1]
He died of cancer on September 17, 2008, in Seattle, Washington at age 79.[2]