Lecat can be both a middle name and a surname. Notable people with the name include:
César Lecat de Bazancourt, French military historian Claire Lecat (born 1965), French judoka François Lecat (born 1993), Belgian volleyball player Jean-Philippe Lecat (1935–2011), French politician Jelles de Lecat, Dutch pirate Olivier Lecat, French volleyball player Stéphane Lecat (born 1971), French long-distance swimmer