Niblett is a surname of British origin. People with that name include:
Callum Niblett (born 2003), British music producer Harry Seawell Niblett (1852–1939), Royal Navy officer James Niblett (Jim Niblett, born ), British civil servant Jason Niblett (born 1983), Australian professional racing cyclist Jeanette Crossley, nee Niblett (1949–2015), New Zealand biochemist Robin Niblett (born 1961), British specialist in international relations Ryan Niblett (born 2004), American football player Scout Niblett (Emma Louise Niblett, born 1973), English singer, songwriter and multi-instrumentalist Stephen Niblett (), English academic administrator at the University of Oxford Vic Niblett (1924–2004), English footballer
See also Niblett's Bluff, a former port on Sabine River, Louisiana, U.S.A. Fort Niblett, a later construction at Niblett's Bluff Neblett, a surname