4Minute was a five-member South Korean girl group formed in 2009 by Cube Entertainment. The members of the group were Nam Ji-hyun, Heo Ga-yoon, Jeon Ji-yoon, Kim Hyun-a, and Kwon So-hyun. The group debuted in June 2009 with its first single, "Hot Issue".

Stage Name: Jihyun/지현
Real Name: Nam Jihyun/남지현/南智賢
Nicknames: Innocent Lovely Jihyun, 4-D Jihyun, NamGee, Nam Leader, Namdakyu, Bagel Girl, Namvatar
Birthday: January 9, 1990
Birthplace: Seoul, South Korea
Blood Type: A
Height: 167cm
Weight: 49kg
Position in group: Leader, Lead Dancer, Vocalist, Visual
Languages: Korean, Japanese
Hobbies: dancing, ballet, learning English, cooking
Siblings: younger brother
Education: Sangmyung University, Major in Dance

Stage Name: Gayoon/가윤
Real Name: Heo Gayoon/허가윤/許嘉允
Nicknames: Dodosick Gayoon, Neunggeuli Gayoon, Heo Force
Birthday: May 18, 1990
Birthplace: Seoul, South Korea
Blood Type: O
Height: 165cm
Weight: 47kg
Position in group: Main Vocalist
Languages: Korean, Japanese
Hobbies: singing, watching movies, writing lyrics
Education: Dong Duke Female High School; Dongguk University, Major in Theater

Stage Name: Jiyoon/지윤
Real Name: Jeon Jiyoon/전지윤/田祉潤
Nicknames: Charisma Jiyoon, Teol teol Jiyoon, Junglass, Jiyoonit
Birthday: October 15, 1990
Birthplace: Seoul, South Korea
Blood Type: B
Height: 165cm
Weight: 47kg
Position in group: Lead Rapper, Lead Vocalist
Languages: Korean, Japanese
Hobbies: singing, dancing, cooking, writing lyrics
Siblings: older brother Jisoo
Education: Byeongjeom High School; Kyung Hee University, Major in Post Modern Music

Stage Name: HyunA/현아
Real Name: Kim Hyuna/김현아/金泫雅
Nicknames: Kim Force HyunA, Best Aegyo HyunA
Birthday: June 6, 1992
Birthplace: Seoul, South Korea
Blood Type: O
Height: 164cm
Weight: 44kg
Position in group: Main Dancer, Main Rapper, Vocalist, Face of the Group
Languages: Korean, Japanese
Hobbies: cooking, watching movies, customizing clothes, doing selcas
Siblings: younger brother Hyunho, younger brother Hyunsun
Education: Choong Chun Middle School; Korea High School of Music and Arts; Konkuk University, Major in Art Culture

Stage Name: Sohyun/소현
Real Name: Kwon Sohyun/권소현/權昭賢
Nicknames: Cute Sohyun, Kkweon Sso, Imp
Birthday: August 30, 1994
Birthplace: Seoul, South Korea
Blood Type: B
Height: 162cm
Weight: 45kg
Position in group: Lead Dancer, Vocalist, Rapper, Maknae
Languages: Korean, Japanese
Hobbies: dancing, studying, pool
Siblings: older brother
Education: Kumho Junior High School; Pungmoon girls’ High School
*former member of Orange