Namesakes
Fictional Characters from Television:
1 character
Niki Sanders 2006 Heroes 
Notable Artists:
1 painter/sculptor
Niki de Saint Phalle 1930-2002
Notable Athletes:
1 driving
(driving) Niki Lauda 1949-2019
Olympic Medalists:
1 silver
(silver) Niki Bakoyianni 1996 high jump