Jeremiah T. Mahoney (June 23, 1878 – June 15, 1970) was an American lawyer and jurist. He served on the New York Supreme Court and as president Amateur Athletic Union (AAU). As president of the AAU, he advocated for the United States to boycott the 1936 Summer Olympics in protest at the racial policies of Nazi Germany. He was the Democratic Party nominee for mayor of New York City in the 1937 election, but lost to Fiorello La Guardia.