Lejay may refer to:

Places Lejay, Afghanistan site of 2003 Lejay firefight Base école Général Lejay, military base at Le Luc – Le Cannet Airport

People French family name, including: Guy Michel Lejay (1588–1674), French advocate at the French parliament, compiler of Lejay's Polyglott Bible Paul Lejay (1861–1920), Latinist, member of Académie des Inscriptions et Belles-Lettres. :fr:Pierre Lejay (1898–1958), French Jesuit and physician Jim LeJay in 1977 NFL draft for Louis Cardinals

Others Lejay, a French brand of crème de cassis