Joseph Leonard

Joseph Leonard may refer to:

• Joseph Leonard (soldier) (1876–1946), U.S. Marine and recipient of the Congressional Medal of Honor
• Joseph Leonard (priest) (1877–1964), Irish Vincentian priest
• Joseph J. Leonard (1876–1962), commissioner of the Boston Police Department
• Joe Leonard (baseball) (1894–1920), American baseball player
• Joe Leonard (1932–2017), American motorcycle and racecar driver
• Joseph A. Leonard, American architect, designer of Old Vedanta Society Temple in San Francisco