Helena
Helena may refer to:
People
- Helena (given name), a given name (including a list of people and characters with the name)
 - Katri Helena (born 1945), Finnish singer
 - Saint Helena (disambiguation), this includes places
 
Places
Greece
Guyana
United States
- Helena, Alabama
 - Helena, Arkansas 
- Battle of Helena, July 4, 1863, during the American Civil War
 
 - Helena, California
 - Helena, Georgia
 - Helena, Louisiana
 - Helena Township, Michigan
 - Helena, Huron County, Michigan
 - Helena, Marquette County, Michigan
 - Helena Township, Minnesota
 - Helena, Mississippi
 - Helena, Missouri
 - Helena, Montana, the capital of Montana 
- Helena National Forest, Montana
 - Helena, Montana micropolitan area
 - Lake Helena, Montana
 
 - Helena, New York
 - Helena, Ohio
 - Helena, Oklahoma
 - Helena, South Carolina
 - Helena, Texas
 - Helena, Wisconsin
 
Canada
Australia
- Helena River, Western Australia
 - Mount Helena, Western Australia, a suburb
 
Films
- Helena (1924 film), a silent German film directed by Manfred Noa
 - Helena, a 2008 Colombian film
 - Helena, a 2014 Argentine film
 
Literature
- Helena (Machado de Assis novel), 1876 novel by Machado de Assis
 - Helena (Waugh novel), 1950 novel by Evelyn Waugh
 - Helena (A Midsummer Night's Dream), a character from William Shakespeare's A Midsummer Night's Dream
 
Music
- "Helena" (song), a 2004 song by American rock band My Chemical Romance
 - "Helena" (Hugo Raspoet song), a 1970 song by Flemish singer Hugo Raspoet
 - "Helena", a song by The Misfits from the 1999 album Famous Monsters
 - "Helena", a song by Nickel Creek from the 2005 album Why Should the Fire Die?
 - "Helena", a song by Will Haven from the 2007 album The Hierophant
 - "Helena", a 1972 song by Jack de Nijs
 - "Helena", a 1973 song by Leapy Lee
 - "Helena", a 1963 instrumental by Ladi Geisler
 
Ships
- HMS Helena, name of various Royal Navy ships
 - Helena, a packet boat, built in the United States in 1841
 - USS Helena, name of various United States Navy ships
 - USS Helena I (SP-24), United States Navy patrol boat
 
Science
- Helena, a taxonomic synonym for the plant genus Narcissus
 - "Helena", theoretical founding ancestor of Haplogroup H
 - "Helena", name used in ancient Greece for the phenomenon now referred to as St. Elmo's fire
 - 101 Helena, main belt asteroid
 
Other uses
- Helena (artwork), a 2000 art installation featuring goldfish in blenders
 - HELENA, the Helmholtz Graduate School Environmental Health
 - G-AAXF Helena, a named Handley Page H.P.42 airliner