John Tong Hon (born 31 July 1939) is a Chinese prelate of the Catholic Church.
A cardinal since 2012, he was auxiliary bishop of Hong Kong from 1996 to 2008, then coadjutor bishop of the diocese for a year, and Bishop of Hong Kong from 2009 to 2017.
In January 2019, he became the apostolic administrator of the diocese, in a caretaker role, after the death his successor, Michael Yeung.