William Arnold may refer to:
Military
- William Richard Arnold (bishop) (1881–1965), U.S. Army Chief of Chaplains
- William Howard Arnold (general) (1901–1976), U.S. Army general
Politicians
- William Munnings Arnold (1819–1875), politician and speaker of the New South Wales Legislative Assembly
- William Carlile Arnold (1851–1906), U.S. Representative from Pennsylvania
- William W. Arnold (1877–1957), U.S. Representative from Illinois
- William Arnold (bailiff) (1903–1973), Bailiff of Guernsey
Sports
- William Arnold (footballer) (1900–1977), English footballer
- Willie Arnold (1881–1957), Welsh rugby international player
Others
- William Arnold (settler) (1587–1676), founding settler in Rhode Island
- William Arnold (architect) (fl. 1595–1637), master mason in Somerset, England
- William Delafield Arnold (1828–1859), British author and colonial administrator
- William W. Arnold (ornithologist) (1843–1923), American physician and ornithologist
- William Thomas Arnold (1852–1904), English writer and journalist
- William Howard Arnold (physicist) (fl. 1955–2004), American nuclear physicist
See also
- RNLB Sir William Arnold (ON 1025), former RNLI lifeboat in Guernsey
- Bill Arnold (disambiguation)
- Billy Arnold (disambiguation)
- William Arnaud (disambiguation)
Topics referred to by the same termThis disambiguation page lists articles about people with the same name. If an internal link led you here, you may wish to change the link to point directly to the intended article. Category: