Jacob Henry "Buddy" Baer (June 11, 1915 – July 18, 1986) was an American boxer.
In 2003, Baer was chosen for the Ring Magazine's list of 100 greatest punchers of all time. He is the younger brother of boxing heavyweight champion Max Baer, and the uncle of Max Baer, Jr., best known as "Jethro" on the 1960s sitcom The Beverly Hillbillies. Baer, like his brother and nephew, also pursued acting.