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