William Halford was a sailor.

William Halford may also refer to:

Sir William Halford, 4th Baronet (died 1695) who was succeeded by his next brother, of the Halford baronets Sir William Halford, 6th Baronet (1709–1768), of the Halford baronets Sir William Halford, 1st Baronet (1663–1709), of the Halford baronets Sir William Halford, 3rd Baronet (1693–1720), of the Halford baronets