David Walker Lyon (born 2 September 1943) is a former English cricketer.
Lyon made his debut for Cambridgeshire in the 1965 Minor Counties Championship against Bedfordshire.
[1] Lyon also represented Cambridgeshire in a single List A cricket match against Buckinghamshire in the 1972 Gillette Cup.
[3] His brother, Andrew, played List A cricket for Buckinghamshire and Middlesex.
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