William Moran
William Moran or Bill Moran may refer to:
- William F. Moran , United States Navy admiral
- William F. Moran , knifemaker who founded the American Bladesmith Society
- William H. Moran, United States Secret Service agent
- William Joseph Moran, Roman Catholic bishop
- William L. Moran, American Assyriologist
- William Thomas Alldis Moran, Australian naval officer
- Bill Moran , catcher and left fielder in Major League Baseball
- Bill Moran , American politician and retired baseball pitcher
- Billy Moran, American baseball player
- Francis D. Moran, also known as "Bill" Moran, American admiral, third Director of the National Oceanic and Atmospheric Administration Commissioned Officer Corps