Cognomen Lénaïck (Lénaïck 
) , globally, is an extremely rare family name. The cognomen Lénaïck is characteristic of Western Europe, particularly France, where it is an extremely rare surname. More prevalently, Lénaïck is the forename as well as the last name.
Adam, Maugendre, Millard, Sorimoutou, Cochard, Peutrec, Rebours, Ruellan, Guérin, Geffroy, Géraud, Lenaïg, Leclair, Serandour, Colinmaire, Lancelot, Olanda, Hervé, Nantes, Thomas, Faou, Kunze, Gobé, Lafer, Moulin, Menguy, Muller, Toullier, Sangan, Perrot, Ramage, Ronsin, Rouxel, Dupuis, Gachet, Tanguy, Brelet, and Ghazouani