Doh Kyung-soo

Doh Kyung-soo
Doh in 2019
Born (1993-01-12) January 12, 1993
Seoul, South Korea
EducationKyung Hee Cyber University
Occupations
  • Singer
  • actor
Musical career
Genres
InstrumentVocals
Years active2012–present
Labels
  • SM
  • Company SooSoo
  • Blitzway Entertainment
Member of
Formerly ofSM Town
WebsiteOfficial website
Korean name
Hangul
도경수
Hanja
都敬秀
RRDo Gyeongsu
MRTo Kyŏngsu
Stage name
Hangul
디오
RRDio
MRTio
Signature

Doh Kyung-soo (Korean도경수; born January 12, 1993), known professionally as D.O. (디오), is a South Korean singer and actor. He is a member of the South Korean boy band Exo. He debuted as a soloist on July 26, 2021, with his first extended play (EP) Empathy. He has since released two more EPs, Expectation (2023) and Blossom (2024), as well as a studio album, Bliss (2025).

As an actor, Doh has starred in various television dramas and movies such as It's Okay, That's Love (2014), My Annoying Brother (2016), Along with the Gods: The Two Worlds (2017), 100 Days My Prince (2018), Swing Kids (2018), Bad Prosecutor (2022), and The Manipulated (2025). In recognition of his acting, he was selected by the Korean Film Council as one of the 200 Korean actors that best represent the present and future of Korea's movie scene.