Sir John Barker-Mill, 1st Baronet (4 December 1803 – 20 February 1860) was an English first-class cricketer. Born John Barker in 1803, in accordance to the last will and testament of his maternal uncle Sir Charles Mill, 10th Baronet, he took the additional name of Mill by Royal Licence on 8 May 1835. The Reverend John Barker-Mill was created a Baronet 'of Mottisfont in the County of Southampton' on 16 March 1836. In 1842 three local gentlemen, Thomas Chamberlayne, Sir Frederick Hervey-Bathurst and Barker-Mill himself, financed the development of the Antelope Ground in Southampton.