Namesakes
Bernhard Hammer
(m) 1822-1907 
Swiss Presidents 1879; 1888-1889
Mike Hammer
(m)
Fictional Characters from Books 1947 I, the Jury
Jan Hammer
(m) 1948-
Notable Musicians
Sarah Hammer
(f) 1983-
Olympic Medalists 2012 cycling - track (silver)
Sledge Hammer
(m)
Fictional Characters from Television 1986 Sledge Hammer!
Armie Hammer
(m) 1986-
Notable Actors and Entertainers (actor)