Lentz is a Germanic surname. Notable people with the surname include:
Bryan Lentz, Pennsylvania legislator, veteran of the Gulf War
Daniel Lentz, American composer
Georges Lentz, Luxembourg/Australian composer
Hugo Lentz, (1859—1944), Austrian mechanical engineer and inventor
James E. Lentz III, president of Toyota Motor Sales U.S.A.
Michael Lentz, German writer and musician
Michel Lentz, poet
Nik Lentz, American mixed martial artists currently competing in the UFC
Owen Lentz, American rugby union footballer
Ruediger Lentz, German journalist
Stanislaw Lentz, Polish painter
