Alexander Kelly Tyree (August 28, 1915 – May 10, 2006) was an American naval officer who served as a submarine commander during World War II and reached the rank of captain in the United States Navy. He was awarded the Navy Cross twice for commanding successful submarine patrols attacking Japanese forces in 1945. After the war, he continued to serve in the navy and also taught naval science and mathematics at the universities of Washington and Mary Washington.