Irv Newhouse | |
|---|---|
Official portrait, 1967 | |
| Minority Leader of the Washington House of Representatives | |
| In office January 13, 1975 – January 10, 1977 | |
| Preceded by | Thomas A. Swayze Jr. |
| Succeeded by | Duane Berentson |
| Member of the Washington Senate from the 15th district | |
| In office December 9, 1980 – January 11, 1999 | |
| Preceded by | Sid Morrison |
| Succeeded by | Jim Honeyford |
| Member of the Washington House of Representatives from the 15th district | |
| In office January 11, 1965 – December 9, 1980 | |
| Preceded by | Cecil C. Clark |
| Succeeded by | Lyle J. Dickie |
| Personal details | |
| Born | Irving Ralph Newhouse October 16, 1920 Sunnyside, Washington, U.S. |
| Died | March 29, 2001 (aged 80) Sunnyside, Washington, U.S. |
| Party | Republican |
| Spouse | Ruth Newhouse |
| Children | 6, including Dan |
| Occupation | Farmer |

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. He raised hops near Mabton and died in Sunnyside, Washington at the age of 80.
He was the father of U.S. representative Dan Newhouse. The building housing Washington State Senate offices is named for him.
Originally built in 1934, and reconstructed in 2024, the Irving R. Newhouse Building housed many Washington State government agencies before becoming home to the Senate.
Irv Newhouse, who earned a reputation as a brilliant parliamentarian and skilled negotiator during his 34 years in the state Legislature, has died at age 80.