Namesakes
Characters in Greek Mythology:
1 character
Helen of Troy (a.k.a. Helene) (f) 
Fictional Characters from Books:
1 character
Hélène Kuragina 1869 War and Peace
Hurricanes and Tropical Storms:
4 hurricanes, 2 storms
Hurricane Helene 1958
Hurricane Helene 1988
Storm Helene 2000
Hurricane Helene 2006
Storm Helene 2012
Hurricane Helene 2018
Notable Actors and Actresses:
1 actress
Dariel Pertwee (a.k.a. Helene) 1961-
Olympic Medalists:
2 bronze, 1 gold
(bronze) Helene Junker 1928 4x100 m relay
(bronze) Leni Schmidt (a.k.a. Helene) 1928 4x100 m relay
(gold) Helene Madison 1932 swimming - 100 m freestyle; swimming - 400 m freestyle; swimming - 4x100 m freestyle relay
Other Royalty:
2 princesses
Marilène of Orange-Nassau (a.k.a. Hélène) 1998- Netherlands
Élisabeth, Duchess of Brabant (a.k.a. Hélène) 2001- Belgium
Saints:
2 blessed
Blessed Marie of the Passion (a.k.a. Hélène) 1839-1904
Blessed Marie Helene Stollenwerk 1852-1900
Shakespearian Characters:
1 character
Helen of Troy (a.k.a. Helene) Troilus and Cressida
Title Characters:
1 musical/book
(musical/book) Hélène; Helen of Troy 1864; 1925 La belle Hélène; The Private Life of Helen of Troy