John Ross Thompson (10 May 1918 – 15 June 2010) was an English amateur cricketer, rackets player and schoolteacher.

Thompson was born in Berkhamsted, Hertfordshire, and was educated at Tonbridge School in Kent and at St John's College, Cambridge.

[1] A right-handed batsman, he was regarded as a potential Test player during his two years in the Cambridge University team in 1938 and 1939, Wisden remarking that he batted in "very correct style" with "the makings of a brilliant batsman".

[2] However, World War II intervened, and after the war he concentrated on his career as a mathematics and physics teacher at Marlborough College, appearing occasionally for Warwickshire during the school holidays.

[2] At Marlborough, as well as teaching mathematics and physics, he was master in charge of rackets and cricket, and a housemaster.