Namesakes
Fictional Characters from Plays and Musicals:
1 character
Helena 1595 A Midsummer Night's Dream 
Harry Potter Characters:
1 character
Helena "The Grey Lady" Ravenclaw
Hurricanes and Tropical Storms:
1 storm
Storm Helena 1963
Notable Activists and Revolutionaries:
1 activist
(activist) Sheila Kitzinger (a.k.a. Helena) 1929-2015
Notable Actors and Actresses:
2 actresses
Helena Bonham Carter 1966-
Nicolette van Dam (a.k.a. Helena) 1984-
Notable Artists:
1 painter
Maria Helena Vieira da Silva 1908-1992
Notable Athletes:
1 gymnastics, 1 soccer, 1 tennis
(tennis) Helena Suková 1965-
(soccer) Daphne Koster (a.k.a. Helena) 1981-
(gymnastics) Dominique Moceanu (a.k.a. Helena) 1981-
Notable Hosts and Presenters:
1 television
(television) Nicolette van Dam (a.k.a. Helena) 1984-
Notable Musicians:
1 singer
Lenny Kuhr 1950- chanson, folk, pop
Notable Scientists and Inventors:
1 anthropologist, 1 astronomer
Cecilia Payne-Gaposchkin (a.k.a. Helena) 1900-1979
Sheila Kitzinger (a.k.a. Helena) 1929-2015
Olympic Medalists:
4 bronze, 1 gold, 1 silver
(bronze) Gladys Carson (a.k.a. Helena) 1924 swimming
(bronze) Helena Fibingerová 1976 shot put
(silver) Helena Suková 1988; 1996 tennis
(gold) Dominique Moceanu (a.k.a. Helena) 1996 artistic gymnastics
(bronze) Marja-Helena Pälvilä 1998 ice hockey
(bronze) Helena Fromm 2012 taekwondo
Other Royalty:
1 princess, 1 queen
Wilhelmina of the Netherlands (a.k.a. Helena) 1890-1948 Netherlands
Élisabeth, Duchess of Brabant (a.k.a. Helena) 2001- Belgium
Saints:
3 saints, 1 blessed
Saint Helena ?-330
Saint Helena ?-418
Saint Helena ?-750
Blessed Maria Restituta Kafka (a.k.a. Helena) 1894-1943
Shakespearian Characters:
2 characters
Helena A Midsummer Night's Dream
Helena All's Well That Ends Well
Title Characters:
3 songs
(song) Helena 1999 Helena
(song) Helena 2004 Helena
(song) Helena 2011 Helena Beat