Lentz is a Germanic surname. Notable people with the surname include:
Bryan Lentz, Pennsylvania legislator, veteran of the Gulf WarDaniel Lentz, American composerGeorges Lentz, Luxembourg/Australian composerHugo Lentz, (1859—1944), Austrian mechanical engineer and inventorJames E. Lentz III, president of Toyota Motor Sales U.S.A.Michael Lentz, German writer and musicianMichel Lentz, poetNik Lentz, American mixed martial artists currently competing in the UFCOwen Lentz, American rugby union footballerRuediger Lentz, German journalistStanislaw Lentz, Polish painter