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Hyoyeon (효연) is a South Korean singer-songwriter, rapper, and DJ under SM Entertainment. She is a member of the girl group Girls' Generation, its second sub-unit Girls' Generation-Oh!GG and the female unit GOT the beat.

As a DJ, she goes by the name HYO.



Hyoyeon's formal dance training began in elementary school; she learned hip hop, jazz, and Latin dance at her neighborhood's hip-hop school.[1]

She auditioned for SM Entertainment at the age of 11 through SM's 2000 Casting System.[2] In 2004, she, alongside SUPER JUNIOR's Siwon, were sent to Beijing to study Chinese.[citation needed]

Before debuting with Girls' Generation, she worked with Janet Jackson and was BoA's silhouette dancer during a performance at Mnet Km Music Video Festival 2005.[3]

2007: Debut with Girls' Generation

Hyoyeon debuted as a member of Girls' Generation on August 5, 2007 with the group's first single "Into the New World".

2012: Dancing with the Stars

In April 2012, she became a contestant on the dance competition show Dancing with the Stars. She and her partner, Kim Hyun-suk, finished the show in 2nd place.[4]

2016: Solo debut

She made her solo debut on December 2, 2016 with the digital single "Mystery".

2018: DJ debut, Oh!GG

On April 4, 2018, SM Entertainment announced Hyoyeon would be making her debut as a DJ using the stage name HYO.[5] Her first single as a DJ, "Sober", was released on April 18.

On September 5, she debuted as a member of Girls' Generation's second sub-unit Girls' Generation-Oh!GG with the release of their single "Lil' Touch".

2022: Deep

On May 2, 2022, a teaser image was posted which revealed that she will be releasing her first mini album, Deep, on May 16.[6]

Personal life


In December 2012, Hyoyeon began dating businessman Kim Jun-hyung. The couple broke up in 2014 after dating for nearly two years.[7]


Mini albums

Digital singles





  • Unstoppable Marriage (2007)
  • I Am. (2012)
  • SMTOWN The Stage (2015)


  • Oh! My Lady (SBS, 2010) - cameo

Competition shows

  • Dancing with the Stars (MBC, 2012) - contestant

Reality shows

  • Hit The Stage (Mnet, 2016) - contestant
  • Good Girl (Mnet, 2020) - contestant

Variety shows

  • Hyoyeon's One Million Likes (On Style, 2015)
  • Hyoyeon's 10 Million Likes (On Style, 2016)
  • Attraction TV: Season 2 (On Style, 2017) - regular member
  • My English Puberty (tvN, 2017-2018) - regular member
  • Unnies Beauty Carpool (Naver TV Cast, 2021)

Music videos appearances

Producing and writing credits

  • All credits adapted from KOMCA, unless stated.[8]
Artist Song Album Type
Herself "Sober" "Sober" Writing
"Punk Right Now" "Punk Right Now"
Herself "Badster" "Badster" Writing
Herself "Dessert" "Dessert" Composing


Concert participation


Main article: Hyoyeon/Gallery


Official links