John Houghton may refer to:
Politicians John Houghton (fl.1393), MP for Leicester (UK Parliament constituency) John Houghton (died 1583) (before 1522–1583), MP for Stamford (UK Parliament constituency) John Houghton (Manx politician) (born 1958/1959), Manx politician John Houghton (Zimbabwean politician) (born 1945), Zimbabwean politician, MP (since 2018)
Others John Houghton (physicist) (1931–2020), Welsh atmospheric physicist John Houghton (martyr) (c. 1486–1535), English Catholic priest and martyr John Houghton (apothecary) (1645–1705), English writer, apothecary and merchant John Houghton (footballer) (1945–2019), New Zealand international footballer John Houghton (footballer born 1891) (1891–1991), English footballer John Houghton (rugby league) (fl. 1970), former St Helens RLFC rugby player