John Ernest Owen (born 21 September 1939) is an English former international rugby union player.
A Cambridge University blue, Owen was a lock and made over 150 appearances for Coventry, while gaining 14 England caps during the 1960s. He broke into the England team for their title-winning 1963 Five Nations campaign and featured in all four matches, scoring a try on debut against Wales. Later that year, Owen was part of the tour of Australasia and played the one-off Test against the Wallabies in Sydney. He made his last England appearance in a 1967 match against the All Blacks at Twickenham.