Mynn is an English surname. Notable people with this surname include:
Alfred Mynn (1807–1861), English cricket player Charles Mynn Thruston (1798–1873), American soldier, farmer and politician Charles Mynn Thruston (colonel) (1738–1812), American soldier Nicholas Mynn (fl. 1558–1572), English politician Walter Mynn (1805–1878), English amateur cricket player who played between 1833 and 1852
See also MYNN is the ICAO code of Lynden Pindling International Airport, Bahamas