Furniss is a surname. Notable people with the surname include:
Brian Furniss (1934–2013), English cricketerBruce Furniss (born 1957), American swimmerFred Furniss (born 1922), English footballerHarry Furniss (1854-1925), artist and illustratorHenry Sanderson Furniss, 1st Baron Sanderson (1868-1939), English academic, socialist, Principal of Ruskin College, OxfordJohn Furniss (1809-1865), English Catholic priestLawrence Furniss (1862-1941), English footballerMatt Furniss (21st century), videogame sound artistMaureen Furniss (21st century), writer, animation historian, animation theorist, critic, and professorStephen Furniss, Canadian politician and farmerSteve Furniss (born 1952), American swimmer