Namesakes
Nobel Prize Winners:
1 medicine
(medicine) Robert Koch 1905 
Notable Actors and Actresses:
1 actor
Sebastian Koch 1962-
Olympic Medalists:
3 bronze, 1 gold/silver
(bronze) Des Koch 1956 discus throw
(gold/silver) Marita Koch 1980 400 m; 4x400 m relay
(bronze) Beate Koch 1988 javelin throw
(bronze) Billy Koch 1996 baseball