Mark Sinclair Chapman (born 27 June 1994 in Hong Kong) is a Hong Kong cricketer left-handed batsman who bowls slow left-arm orthodox. He made his One Day International debut for Hong Kong against the United Arab Emirates in the 2015-17 ICC World Cricket League Championship on 16 November 2015.
In February 2018, he was added to New Zealand's Twenty20 International (T20I) squad for the 2017-18 Trans-Tasman Tri-Series. He is eligible to represent New Zealand through his father.