James Joseph Mill (19 November 1899 – 29 March 1950) was a New Zealand rugby union player. A halfback, Mill represented East Coast, Hawke's Bay and Wairarapa at a provincial level, and was a member of the New Zealand national side, the All Blacks, from 1923 to 1930. He played 33 matches for the All Blacks including four internationals.[1] Of Ngāti Porou descent, Mill played for New Zealand Māori in 1922 and 1923.[1][2]