Namesakes
Detlef Okrent
(m) 1909-1983 
Olympic Medalists 1936 field hockey (silver)
Dettlef Günther
(a.k.a. Detlef) (m) 1954-
Olympic Medalists 1976 luge (gold)
Douglas Sirk
(a.k.a. Detlef) (m) 1897-1987
Notable Filmmakers