John Minto is a New Zealand-based political activist known for his involvement in various left-wing groups and causes, most notably Halt All Racist Tours. A 2005 documentary on New Zealand's Top 100 History Makers listed him as number 89. Today he is involved with the protest group Global Peace and Justice Auckland and the Unite Union. He also wrote a weekly column for The Press and was formerly editor of the Workers' Charter newspaper.
Minto is a long time member of the Post Primary Teachers Association and also a National Vice Chairperson of QPEC, Quality Public Education Coalition and co-vice-president of the Mana Movement. Minto was also a teacher at Hornby High School and retired from teaching in 2018.