Daiki Arioka (有岡 大貴, Arioka Daiki; born April 15, 1991) is a Japanese singer, actor, tarento, and model as well as member of Hey! Say! JUMP. He is under the management of Starto Entertainment.
On June 2, 2003, he joined Johnny & Associates as a trainee. As a Johnny's Jr., he was a member of J.J.Express. However, before he became a part of Johnny & Associates, he was a member of Junes Project.
When he was 14 in 2005, he played Toru Sonobe in the drama Engine with his Johnny's senior Takuya Kimura of SMAP.
On April 3, 2007, he joined the temporary group Hey! Say! 7, with soon to be fellow members of Hey! Say! JUMP, Yuya Takaki, Ryosuke Yamada, Yuto Nakajima and Yuri Chinen, starting with a public performance at KAT-TUN's 2007 Cartoon KAT-TUN II You concert.
On September 21, 2007, he began performing as a member of Hey! Say! JUMP.
In October 2008, he acted in the drama Sensei wa Erai! as Rin Takekura, along with other Hey! Say! JUMP members; Ryosuke Yamada, Yuto Nakajima and Yuri Chinen.
In the same year, he was in the drama called Scrap Teacher: Kyoushi Saisei, as Sugizō Irie. With the Hey! Say! JUMP members that played alongside him in Sensei wa Erai!.
On June 7, 2024, Arioka announced his marriage to actress Mayu Matsuoka.
"Time" (Lyrics by Yuya Takaki; Arranged by Daiki)
"Sakura Saita yo" (Rap Lyrics by Daiki)
"UNION" (Lyrics by Kota Yabu, Hikaru Yaotome and Daiki)
For Hey! Say! JUMP or Hey! Say! BEST-related concerts, please see Hey! Say! JUMP.
Innocent Curse (2017) as Ezaki Shunya
Code Blue the Movie (2018) as Souma Natori
Shin Ultraman (2022) as Akihisa Taki
Hyakujuu Sentai Gaoranger (TV Asahi, 2001) as Futaro
Saigo no Bengonin (NTV, 2003, ep2)
Engine (TV series) (Fuji TV, 2005) as Tōru Sonobe