Mitchell Josef Santner (born 5 February 1992) is a New Zealand international cricketer who plays all forms of the game. Domestically, he plays for Northern Districts cricket team. He is a bowling all-rounder who bats left-handed, and bowls slow left-arm orthodox spin. He has been involved in the highest 7th wicket partnership for New Zealand in Tests. In November 2020, Santner captained New Zealand for the first time in an international fixture, leading the team in the third Twenty20 International (T20I) match against the West Indies. He did so again in the first T20I match against Pakistan.