William Munroe

William Munroe may refer to:


 * William Munroe (American soldier) (1742–1827), American soldier in the American Revolutionary War
 * William Munroe (pencil maker) (1778–1861), first American pencil maker
 * William Munroe (Scottish soldier) (1625–1719), Scottish soldier
 * William R. Munroe (1886–1966), United States Navy admiral