John Agnew
John Agnew may refer to:
- John Agnew (Prince [Edward Island politician)], Canadian merchant and politician from Prince Edward Island
- John Agnew (New Brunswick politician), loyalist minister and politician in New Brunswick
- John Agnew (footballer), English footballer
- John Hume Agnew, Canadian provincial treasurer for Manitoba
- John A. Agnew, British-American political geographer
- John Stuart Agnew, British MEP
- Sir John Stuart Agnew, 3rd Baronet, one of Agnew baronets
- Sir John Anthony Stuart Agnew, 4th Baronet, one of Agnew baronets
- Sir John Agnew, 6th Baronet, one of Agnew baronets
- John Alexander Agnew, New Zealand mining engineer and philatelist
- John Holmes Agnew, professor of ancient languages and Presbyterian clergyman