| Irv Newhouse | |
| Office: | Minority Leader of the Washington House of Representatives |
| Term Start: | January 13, 1975 |
| Term End: | January 10, 1977 |
| Predecessor: | Thomas A. Swayze Jr. |
| Successor: | Duane Berentson |
| State Senate1: | Washington |
| District1: | 15th |
| Term Start1: | December 9, 1980 |
| Term End1: | January 11, 1999 |
| Predecessor1: | Sid Morrison |
| Successor1: | Jim Honeyford |
| State House2: | Washington |
| District2: | 15th |
| Term Start2: | January 11, 1965 |
| Term End2: | December 9, 1980 |
| Predecessor2: | Cecil C. Clark |
| Successor2: | Lyle J. Dickie |
| Birth Name: | Irving Ralph Newhouse |
| Birth Date: | 16 October 1920 |
| Birth Place: | Sunnyside, Washington, U.S. |
| Death Place: | Sunnyside, Washington, U.S. |
| Party: | Republican |
| Occupation: | Farmer |
| Spouse: | Ruth Newhouse |
| Children: | 6, including Dan |
Irving Ralph Newhouse (October 16, 1920 - March 29, 2001) was an American farmer and politician in the state of Washington. He served in the Washington House of Representatives from 1965 to 1980 and in the Senate from 1980 to 1999.[1] [2] [3] He was the father of Dan Newhouse, who is currently the U.S. representative for .