|Full name||Leonard Austin Chalmers|
|Date of birth||4 September 1936|
|Place of birth||Geddington, England|
|Date of death||10 February 2014(aged 77)|
|Place of death||Northampton, England|
|Height||5 ft 10 in (1.78 m)|
|Playing position(s)||Full back|
|* Senior club appearances and goals counted for the domestic league only|
Chalmers played for Corby Town before signing for Leicester City in 1956. Nicknamed 'Chopper' for his fully committed playing style, Chalmers played 80 minutes of the 1961 FA Cup Final hobbling on the wing after suffering a badly gashed shin which rendered him no more than nuisance value as no substitutions were then allowed. Leicester City lost 2-0 to Tottenham Hotspur. After leaving Notts County, he played non-league football for Dunstable Town.
- "Len Chalmers". Barry Hugman's Footballers. Retrieved 18 May 2019.
- Soccer Who's Who compiled by Maurice Golesworthy Sportsmans Book Club 1965
- "Leicester City legend Gordon Banks tribute to the 'terrific' star Len Chalmers". Leicester Mercury. 15 February 2014. Archived from the original on 2 March 2014. Retrieved 24 February 2014.
- "Player search". The English National Football Archive. Retrieved 18 May 2019.
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