What is "caffyn"

Caffyn is a surname that may refer to:

• Ben Caffyn (1879–1942), American baseball player
• Billy Caffyn (1828–1919), English cricketer
• Marshall Caffyn (1892–1966), Australian rules footballer
• Matthew Caffyn (1628–1714), British General Baptist preacher and writer
• Nancy Caffyn (1934–2010), American politician
• Paul Caffyn, New Zealand sea kayaker