John Parker (cricketer, born c. 1823)
John Bartholomew Parker was a Scottish first-class cricketer.
Educated at Harrow School, he made his debut in first-class cricket for the Gentlemen of the North against the Gentlemen of the South at Lord's in 1852, with Parker making two further first-class appearances in 1852 for the Gentlemen of England against the Gentlemen of Kent at Lord's and Canterbury respectively. He played one first-class match in 1853 for the Gentlemen of Marylebone Cricket Club against the Gentlemen of England, before making his final first-class appearance four years later for the Gentlemen of England against the Gentlemen of Kent and Sussex at Canterbury. Playing as a bowler, Parker took 32 wickets in his five first-class matches, at an average of 6.70, with best figures of 5 for 26 against the Gentlemen of Kent and Sussex. He took five wickets in an innings twice and ten wickets in a match once. He died at Edinburgh in October 1892.