| Duane Berentson | |
| Office: | Washington Secretary of Transportation |
| Term Start: | May 20, 1981 |
| Term End: | January 27, 1993 |
| Governor: | |
| Predecessor: | William A. Bulley's |
| Successor: | Sid Morrison |
| Office1: | 40th Speaker of the Washington House of Representatives |
| Term Start1: | January 8, 1979 |
| Term End1: | January 12, 1981 |
| Alongside1: | John A. Bagnariol |
| Predecessor1: | John A. Bagnariol |
| Successor1: | William M. Polk |
| Office2: | Minority Leader of the Washington House of Representatives |
| Term Start2: | January 10, 1977 |
| Term End2: | January 8, 1979 |
| Predecessor2: | Irv Newhouse |
| Successor2: | Dick King |
| State House3: | Washington |
| District3: | 40th |
| Term Start3: | January 14, 1963 |
| Term End3: | January 12, 1981 |
| Predecessor3: | Don Eldridge |
| Successor3: | Homer Lundquist |
| Birth Name: | Duane Lyman Berentson |
| Birth Date: | 22 November 1928 |
| Birth Place: | Anacortes, Washington, U.S. |
| Death Place: | Mount Vernon, Washington, U.S. |
| Party: | Republican |
Duane Lyman Berentson (November 22, 1928 - July 5, 2013) was an American educator and politician.
Born in Anacortes, Washington, Berentson went to the University of Washington and then Pacific Lutheran University. He taught high school and was a coach and then was a securities broker. He served in the Washington House of Representatives 1962–1980, as a Republican, and then served as secretary of the Washington Department of Transportation 1981–1993. He died in Mount Vernon, Washington.[1] [2]