William Munro

William Munro may refer to:


 * William Munro (botanist) (1818–1880), English army officer, plant collector and botanist
 * William A. Munro (born 1992), Australian rugby player
 * William B. Munro (1875–1957), Canadian historian and political scientist
 * William Munro, 12th Baron of Foulis (died 1505), Scottish clan chief