Namesakes
Eurovision Song Contest Winners:
1 winner
Helena Paparizou (a.k.a. Elena) 2005 Greece 
Fictional Characters from Books:
2 characters
Hélène Kuragina (a.k.a. Elena) 1869 War and Peace
Elena Gilbert 1991 The Vampire Diaries
Fictional Characters from Television:
4 characters
Elena Tyler 1998 Felicity
Elena Derevko 2001 Alias
Elena Delgado 2002 Without a Trace
Elena Gilbert 2009 The Vampire Diaries
Hurricanes and Tropical Storms:
2 hurricanes, 1 storm
Hurricane Elena 1965
Storm Elena 1979
Hurricane Elena 1985
Notable Actors and Entertainers:
6 actors
Frances Farmer (a.k.a. Elena) 1913-1970
Valentina Cortese (a.k.a. Elena) 1923-2019
Elena Verdugo 1925-2017
Katie Boyle (a.k.a. Elena) 1926-2018
Sara Ramírez (a.k.a. Elena) 1975-
Elena Kampouris 1997-
Notable Athletes:
1 gymnastics, 1 tennis
(gymnastics) Nadia Comăneci (a.k.a. Elena) 1961-
(tennis) Elena Vesnina 1986-
Notable Musicians:
4 singers
Helena Paparizou (a.k.a. Elena) 1982-
Lena Katina 1984-
Inna (a.k.a. Elena) 1986-
Ellie Goulding 1986-
Notable Politicians and Statespeople:
1 leader's spouse/politician
Elena Ceaușescu 1916-1989
Notable Writers:
1 author
Elena Ferrante 19xx-
Olympic Medalists:
8 gold, 6 bronze, 3 silver, 2 gold/bronze, 1 bronze/gold, 1 bronze/silver/gold, 1 gold/silver
(gold) Elena Vaytsekhovskaya 1976 diving - platform
(bronze/silver/gold) Nadia Comăneci (a.k.a. Elena) 1976; 1980 artistic gymnastics
(bronze) Yelena Kruglova (a.k.a. Elena) 1980 swimming - 4x100 m medley relay
(silver) Yelena Dendeberova (a.k.a. Elena) 1988 swimming - 200 m medley
(gold) Yelena Romanova (a.k.a. Elena) 1992 3000 m
(gold) Elena Tornikidou 1992 basketball
(gold/bronze) Elena Baranova 1992; 2004 basketball
(gold/bronze) Yelena Rudkovskaya (a.k.a. Elena) 1992 swimming - 100 m breaststroke; swimming - 4x100 m medley relay
(bronze) Yelena Shubina (a.k.a. Elena) 1992 swimming - 4x100 m medley relay
(silver) Yelena Miroshina (a.k.a. Elena) 1992 diving - platform
(bronze) Elena Smurova 2000 water polo
(bronze) Elena Tokun 2000 water polo
(gold) Elena Azarova 2000; 2004 synchronized swimming - team
(bronze) Elena Karpova 2004 basketball
(gold) Elena Gigli 2004 water polo
(gold) Elena Lashmanova 2012 20 km walk
(bronze) Elena Nikitina 2014 skeleton
(bronze/gold) Elena Ilinykh 2014 figure skating
(gold/silver) Elena Vesnina 2016; 2020 tennis
(gold) Elena Delle Donne 2016 basketball
(gold) Elena Prokofyeva 2016 synchronized swimming - team
(silver) Elena Osipova 2020 archery - individual; archery - team
Saints:
4 blessed
Blessed Helen of Arcella (a.k.a. Elena) 1208-1242
Blessed Elena of Udine 1396-1458
Blessed Elena Duglioli 1472-1520
Blessed Elena Guerra 1835-1914