William Moran

William Moran or Bill Moran may refer to:
 * William F. Moran (admiral) (born c. 1960), United States Navy admiral
 * William F. Moran (knifemaker) (1925–2006), knifemaker who founded the American Bladesmith Society
 * William H. Moran (1864–1946), United States Secret Service agent
 * William Joseph Moran (1906–1996), Roman Catholic bishop
 * William L. Moran (1921–2000), American Assyriologist
 * William Thomas Alldis Moran (1903–1942), Australian naval officer
 * Bill Moran (catcher) (1869–1916), catcher and left fielder in Major League Baseball
 * Bill Moran (pitcher) (born 1950), American politician and retired baseball pitcher
 * Billy Moran (born 1933), American baseball player
 * Francis D. Moran (born 1935), also known as "Bill" Moran, American admiral, third Director of the National Oceanic and Atmospheric Administration Commissioned Officer Corps