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Who is Kim Do-yeon (Doyeon)? I.O.I and Weki Meki, the film Dora and Cannes, the 2026 reunion — and the other Kim Do-yeon

Kim Do-yeon, born in 1999, joined I.O.I by placing eighth on Produce 101. This page covers her years in Weki Meki and the group's end, her first film lead in the 2024 horror comedy Idiot Girls and School Ghost: School Anniversary and the best new actress prize at the 2025 Blue Dragon Film Awards, July Jung's Dora at the 2026 Cannes Directors' Fortnight, I.O.I's 10th-anniversary reunion, and how to tell her apart from the actress of the same name.

The Kim Do-yeon on this page, who performs as Doyeon, is a singer and actress born on December 4, 1999. In 2016 she finished eighth on Mnet's Produce 101 and was selected for the project girl group I.O.I; in August 2017 she re-debuted in Fantagio's eight-member girl group Weki Meki and stayed until the group officially ended its activities on August 8, 2024. Her first lead film role, in the 2024 horror comedy Idiot Girls and School Ghost: School Anniversary, won her best new actress at the 46th Blue Dragon Film Awards in November 2025, and in 2026 July Jung's film Dora, in which she plays the title role, was invited to the Directors' Fortnight at the 79th Cannes Film Festival. In May 2026 she also took part in I.O.I's 10th-anniversary reunion album. Her agency is Fantagio.

There is another actress named Kim Do-yeon in Korean entertainment: the lead of KBS2's 2017 TV novel That Woman's Sea. They are different people. The first question below explains how to tell them apart.

Kim Do-yeon arriving at SBS MTV's The Show in August 2016, during her time in I.O.I.
Kim Do-yeon arriving at SBS MTV's The Show in August 2016, during her time in I.O.I.SHAQ Photo, CC BY 4.0, via Wikimedia Commons
YearEventDetail
2016Produce 101 · I.O.I debutPlaced eighth in the April 1 finale. In May debuted with the 11-member I.O.I at the "Dream Girls" showcase.2,33
2017I.O.I ends · Weki Meki debutI.O.I wrapped up in January. On August 8 she debuted with Fantagio's eight-member Weki Meki and the EP WEME (lead single "I don't like your Girlfriend").5,14
2021One the Woman · JirisanPlayed the younger versions of Lee Ha-nee in SBS's One the Woman and Jun Ji-hyun in tvN's Jirisan.1,27
2024Weki Meki ends · first film leadFinal single "CoinciDestiny" on June 12; official group activities ended August 8, announced August 16; she and Choi Yoo-jung re-signed with Fantagio in November. Idiot Girls and School Ghost: School Anniversary opened November 6.10,21,28,31
2025Blue Dragon best new actressBest new actress at the 46th Blue Dragon Film Awards on November 19. I.O.I's 10th-anniversary reunion announced in December.13,14
2026Dora at Cannes · I.O.I: LOOP · BusanDora invited to the Cannes Directors' Fortnight in April. I.O.I's third EP I.O.I: LOOP on May 19 and Seoul concerts May 29–31. In October, Dora screened in the Busan festival's Gala Presentation and she received the Face of Asia award at the Marie Claire Asia Star Awards.15,17,20,24,25

Which Kim Do-yeon? The singer-actress born in 1999 and the TV-novel actress

The Kim Do-yeon on this page is a singer and actress born on December 4, 1999; as an idol she went by Doyeon, and in English her name is written Kim Do-yeon or Doyeon. She passed through Produce 101 while in high school, performed in I.O.I and Weki Meki, and is now an actress with Fantagio. The other Kim Do-yeon is an actress who in February 2017 took the lead role of Dal-ja, a single woman in her late thirties, in KBS2's TV novel That Woman's Sea. To distinguish the two, look for either the former I.O.I and Weki Meki member or the actress who played Dal-ja in That Woman's Sea.

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What did she do on Produce 101 and in I.O.I?

In the 2016 finale of Mnet's Produce 101, Kim Do-yeon received roughly 200,000 votes and made the debut line-up in eighth place. The 11-member I.O.I held its debut showcase in May 2016 with the lead single "Dream Girls." Conceived as a project group of about ten months, I.O.I wrapped up in January 2017.

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Music video for I.O.I's debut single "Dream Girls" (Stone Music official channel).STONE MUSIC · official channel · YouTube

What was Weki Meki, and when did its activities end?

Weki Meki was Fantagio's eight-member girl group built around former I.O.I members Choi Yoo-jung and Kim Do-yeon, joined by Ji Su-yeon, Elly, Sei, Lua, Rina and Lucy. It debuted on August 8, 2017 with a showcase at Seoul's Jangchung Arena and the EP WEME, led by "I don't like your Girlfriend." At the time, Kim Do-yeon said she had wanted to return to training because performing with I.O.I had made her aware of areas she needed to improve. The group released its fifth EP, I AM ME., in November 2021 and its farewell single, "CoinciDestiny," on June 12, 2024. Its official group activities ended on August 8, 2024. On August 16 Fantagio officially announced the end of group activities and said it was discussing new contracts with Choi Yoo-jung, Kim Do-yeon and Ji Su-yeon; in November it was reported that only Choi Yoo-jung and Kim Do-yeon had re-signed.

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Doyeon on her way to Music Bank on August 25, 2017, shortly after Weki Meki's debut.
Doyeon on her way to Music Bank on August 25, 2017, shortly after Weki Meki's debut.Hey Day, CC BY 4.0, via Wikimedia Commons
Music video for Weki Meki's debut single "I don't like your Girlfriend," released August 8, 2017 (Weki Meki official channel).Weki Meki 위키미키 · official channel · YouTube

What has she done as an actress?

While still in the group she appeared in the web series Idol Gwonhandaehaeng, Manjjit Namnyeo and Solo Malgo Melo, and in 2021 played the younger Lee Ha-nee in SBS's One the Woman and the younger Jun Ji-hyun in tvN's Jirisan. Her first film lead was director Kim Min-ha's horror comedy Idiot Girls and School Ghost: School Anniversary. Her casting was announced in February 2024; she plays Ji-yeon, head of her school's broadcasting club and an aspiring film director. The story follows the club's girls, who find a ghost tape from the school's 1998 founding day and are pulled into a cursed game of hide-and-seek; the film opened on November 6, 2024. In an interview at release she said the project had loosened a body and mind that had grown stiff. On November 19, 2025 the role won her best new actress at the 46th Blue Dragon Film Awards, and in her speech she thanked the fans who had supported her since she first debuted as an idol.

1,7,12,13,21,27,31
Kim Do-yeon in January 2019.
Kim Do-yeon in January 2019.뉴스엔·NewsenTV, CC BY 3.0, via Wikimedia Commons

What is Dora, and how did it get to Cannes?

Dora is the third feature by July Jung (Jung Ju-ri), director of A Girl at My Door (2014) and Next Sohee (2023). Kim Do-yeon plays the title character, Japanese actress Sakura Ando co-stars, and Song Sae-byeok also appears. It follows Dora, a girl with an unexplained illness, who spends a summer at a beach house with her family and experiences first love. On April 14, 2026 the film was announced as a selection of the Directors' Fortnight at the 79th Cannes Film Festival; all three of Jung's features have now received Cannes invitations, and the Korea Herald reported that the "former I.O.I star" was heading to Cannes. In October the film was invited to the Gala Presentation section of the 31st Busan International Film Festival, Kim's first visit to the festival, where she told the press conference that the director's remark that Dora keeps telling the truth had stunned her and helped her understand the character's loneliness. During the festival she received the Face of Asia award at the 2026 Marie Claire Asia Star Awards. According to Fantagio, the film is aiming for a Korean release in 2027.

20,21,22,23,24,25
Kim Do-yeon on the Blue Dragon Film Awards red carpet in November 2025, the night she won best new actress.
Kim Do-yeon on the Blue Dragon Film Awards red carpet in November 2025, the night she won best new actress.TV10, CC BY 4.0, via Wikimedia Commons
The 31st Busan International Film Festival's trailer for Dora in its Gala Presentation section.부산국제영화제Busan International Film Festival · official channel · YouTube

Did I.O.I reunite in 2026?

Yes. In December 2025 the Korea Herald reported that I.O.I would reunite in spring 2026 for its 10th anniversary. On April 21, 2026 a May 19 comeback was confirmed, with nine members taking part; Kang Mi-na and Zhou Jieqiong did not take part. The third EP, I.O.I: LOOP, is led by "Suddenly," whose lyrics Jeon Somi helped write. The Seoul concerts for the 2026 I.O.I Concert Tour: LOOP were announced for May 29–31 at Jamsil Indoor Stadium. News1 reported about 4,100 attendees at the opening concert on May 29. The participating members were Lim Na-young, Chungha, Kim Se-jeong, Jung Chae-yeon, Kim So-hye, Yoo Yeon-jung, Choi Yoo-jung, Kim Do-yeon and Jeon Somi. Bangkok and Hong Kong dates were also announced. The Korea Herald reported in June that "Suddenly" had reached No. 1 on Melon's Top 100. On October 14 I.O.I was confirmed for the line-up of the 2026 Melon Music Awards (MMA2026).

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Music video for "Suddenly," the lead single of I.O.I's 10th-anniversary EP, released May 19, 2026.STONE MUSIC · official channel · YouTube

What agency is she with, and what is she doing now? As of October 2026

Kim Do-yeon has been with Fantagio since Weki Meki's 2017 debut and re-signed in November 2024. In October 2026 she completed the Busan International Film Festival schedule for Dora — red carpet, press conference and audience talks — and she is scheduled to perform with I.O.I at the Melon Music Awards on November 14. Dora is aiming for a Korean release in 2027.

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Were I.O.I's debut release and showcase on the same day?

I.O.I released its debut album Chrysalis on May 4, 2016, and held its debut showcase at Seoul's Jangchung Arena the following day, May 5. Yonhap's report from the showcase explicitly dates the album release to the previous day. The release and showcase were therefore one day apart.

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When is I.O.I scheduled to perform at MMA2026?

The final MMA2026 lineup announced on October 14, 2026, places I.O.I on the first day, November 14, at Seoul's Gocheok Sky Dome. The overall event runs November 14–15, with I.O.I assigned to the 14th. This was the announced schedule as of October 21, 2026.

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Further reading

Read next

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Cite this page

“Who is Kim Do-yeon (Doyeon)? I.O.I and Weki Meki, the film Dora and Cannes, the 2026 reunion — and the other Kim Do-yeon.” Hallyu Wiki. https://hallyu.wiki/en/guides/kim-do-yeon-faq/ (Retrieved 2026-10-21).

How this article was made: read official statements, court/regulator records and at least two independent outlets; community posts are used only as attention signals. Written by Hallyu Wiki editors with AI assistance — check the sources. Request a correction