Don H. Dwyer Jr. (born February 11, 1958) is an American former politician and former member of the Maryland House of Delegates. He served the 31st District of Anne Arundel County from January 8, 2003 to January 14, 2015. A member of the Republican Party, Dwyer is known for his conservative positions on certain issues, including outspoken opposition to same-sex marriage in Maryland. He was reelected by 25 votes in the November 2006 election and reelected again in 2010. He was defeated in the June, 2014 Republican primary, thought to be largely due to his legal troubles. Since 2017, Dwyer has lived in Clearwater, Florida. As of April 2021, Dwyer chairs the Board of Supervisors for the Clearwater Cay Community Development District.