Namesakes
Fictional Characters from Television:
2 characters
Helga Geerhart 1982 'Allo 'Allo! 
Helga G. Pataki 1996 Hey Arnold!
Harry Potter Characters:
1 character
Helga Hufflepuff
Notable Actors and Entertainers:
1 presenter
Helga Vlahović 1945-2012
Notable Musicians:
1 musician
Sharon Corr (a.k.a. Helga) 1970-
Olympic Medalists:
2 silver, 1 gold
(silver) Helga Klein 1952 4x100 m relay
(silver) Helga Lindner 1968 swimming - 200 m butterfly
(gold) Helga Seidler 1972 4x400 m relay
Russian Grand Dukes and Tsars:
1 regent
Regent Olga (a.k.a. Helga) 945-969
Saints:
1 saint
Saint Olga of Kiev (a.k.a. Helga) c. 890-969