Arnett is both a surname and a given name. Notable people with the name include:
Surname:
Benjamin W. Arnett (1838–1906), African American educator, bishop, and elected official
Chuck Arnett (1928–1988), American dancer
Jon Arnett (born 1935), American college and National Football League player
Peter Arnett (born 1934), New Zealand-American journalist
Ross H. Arnett, Jr. (1919–1999), American entomologist
Ulysses N. Arnett, Democratic President of the West Virginia Senate from 1877 to 1879
Will Arnett (born 1970), Canadian actor
Given name:
Arnett Cobb (1918-1989), American jazz tenor saxophonist
Arnett Moultrie (born 1990), National Basketball Association player
Arnett Ace Mumford (1898-1962), African-American collegiate football coach
