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

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. Her 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".

Personal life


In December 2012, Hyoyeon began dating buisnessman Kim Jun-hyung. The couple broke up in 2014 after dating for nearly two years.[6]


Digital singles




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 (OnStyle, 2015)
  • Hyoyeon's 10 Million Likes (OnStyle, 2016)

Producing and writing credits

Year Artist Song Album Type
2018 Herself "Sober" "Sober" Composing, Writing
"Punk Right Now" "Punk Right Now"
2020 "Dessert" "Dessert" Composing


Main article: Hyoyeon/Gallery


Official links

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