Arnold Jackson may refer to:
- Arnold Jackson (British Army officer) (1891–1972), British athlete, British Army officer and barrister
- Arnold Jackson (character), a character on the television series Diff'rent Strokes, portrayed by Gary Coleman
- Arnold Jackson (cricketer) (1903–1971), English cricketer
- Arnold Jackson (American football) (born 1977), former American football player
- Arnold Jackson, a character in the cartoon series Totally Spies!
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