'''Britnell''' is a surname. Notable people with the surname include:
* Adrian Britnell, Australian set designer and artist * Frederick Britnell (1899–1980), British World War I flying ace * Mark Britnell (born 1966), Expert in Global Healthcare Systems and Author * Richard Britnell (1944–2013), British historian * Roma Britnell (born 1967), Australian politician
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