Dino Rossi (born October 15, 1959, in Seattle, Washington, U.S.) is a former Washington State Senator and Republican nominee for Governor of Washington in the 2004 election, the closest gubernatorial election in Washington's history. Rossi led Democrat Christine Gregoire after two machine counts by 261 votes and 47 votes, respectively, before losing a final manual count by 129 votes. He wrote a book Dino Rossi: Lessons in Leadership, Business, Politics and Life. He was again the Republican candidate for the 2008 gubernatorial election.

Rossi is the son of John Rossi, an Italian-American teacher at Viewlands Elementary in North Seattle, and Eve Cogo (half Irish, half Tlingit), who had five children from a previous marriage.

Rossi was raised in Mountlake Terrace and graduated from Woodway High School in Edmonds. He earned a Bachelor’s degree in Business Management from Seattle University in 1982. He became a commercial real estate agent, managing and owning real estate. He is married, with four children, and lives in Sammamish, Washington.