Dennis William Egan (March 3, 1947 – June 28, 2022) was an American politician. He was a member of the Alaska Senate representing Juneau from 2009 to 2019. He was a member of the Democratic Party. He was the Mayor of Juneau from 1995 to 2000. Before politics, he was a radio broadcaster for KINY. Egan was born in Juneau. 