Namesakes
German Chancellors and Presidents:
1 chancellor
(chancellor) Hans Luther 1925-1926 
Notable Actors and Entertainers:
1 actor
Irene Rich (a.k.a. Luther) 1891-1988
Notable Philosophers and Thinkers:
1 theologian
Martin Luther 1483-1546
Olympic Medalists:
1 silver
(silver) Karl Luther 1912 4x100 m relay