William Arnold
# William Arnold

William Arnold may refer to:

## Military

* William Richard Arnold (bishop) (1881–1965), U.S. Army Chief of Chaplains
* William Howard Arnold (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
