Lycett is a surname. Notable people with the surname include:
Andrew Lycett, English biographer and journalist
Candida Lycett Green (born 1942), the author of sixteen books
Eustace Lycett (1914–2006), British visual effects artist
Gwendolyn Lycett, British figure skater
Joseph Lycett (1774–1825), portrait and miniature painter, active in Australia
Randolph Lycett (1886–1935), men's doubles tennis player