|Full name||John Alfred McDowell|
|Date of birth||7 September 1951|
|Place of birth||East Ham, London, England|
|West Ham United|
|1969–1979||West Ham United||249||(8)|
|* Senior club appearances and goals counted for the domestic league only|
McDowell played for West Ham United as a youth. He made a single appearance for the England Youth team and went on to make 13 international appearances at under-23 level between 1972 and 1974.
He was a first-team regular for West Ham for ten years, missing only the 1976–77 season due to injury. He played as a defender, replacing Billy Bonds as right-back after the latter had switched to midfield. He made his league debut in October 1970 against Blackpool.
McDowell joined Norwich City in August 1979 for around £90,000, making his debut in a 4–2 win at Everton on 18 August 1979. He made 45 appearances for the club, scoring one goal. He joined the staff at Norwich in August 1981, coaching the reserve team, but left in May 1982 to become assistant manager at Bristol Rovers.
- "John McDowell". Barry Hugman's Footballers. Retrieved 23 October 2018.
- Hillier, Roger. "Stephen Gill the Apprentice". theyflysohigh.co.uk. Retrieved 4 February 2019.
- Hogg, Tony (2005). Who's Who of West Ham United. Profile Sports Media. p. 132. ISBN 1-903135-50-8.
- Courtney, Barrie (27 March 2004). "England - U-23 International Results - Details". Rec.Sport.Soccer Statistics Foundation. Retrieved 4 February 2019.
- "Currie signs for QPR". The Guardian. 10 August 1979. p. 16. Retrieved 23 October 2018 – via Newspapers.com.
- Whitlam, Steve. "John McDowell". Flown From The Nest. Retrieved 23 October 2018.
- "John McDowell, Norwich City FC". sporting-heroes.net. Retrieved 23 October 2018.
- John McDowell at westhamstats.info
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