Masaki Aiba: Biography, Facts and Career
Who is Masaki Aiba? An evergreen, sourced profile: biography, key facts and career.

Masaki Aiba (相葉 雅紀, Aiba Masaki) (born December 24, 1982) is a Japanese singer, actor, television personality, radio host and dancer under Johnny & Associates, later of Starto Entertainment. He was a member of the boy band Arashi until the end of activities of the group, May 31, 2026. Aiba began his career in the entertainment industry when he joined the Japanese talent agency Johnny & Associates in 1996, at the age of 13. Prior to his debut with Arashi in 1999, Aiba started an acting career when he was cast as the lead role of Gordie for the stage play Stand by Me, based on the film of the same name. In 2004, he became one of the co-hosts of the variety show Tensai Shimura Dōbutsuen (天才!志村どうぶつ園, Genius! Shimura Zoo), making him the first member of Arashi to regularly participate in a variety show not primarily hosted by Arashi.
Quick facts about Masaki Aiba
- Full name: Masaki Aiba
- Born: 1982-12-24
- Nationality: Japan
- Known as: Musician
- Wikidata ID: Q517482
Profile compiled from public Wikipedia and Wikidata data. Details can change over time.
Frequently asked questions
Who is Masaki Aiba?
Masaki Aiba (相葉 雅紀, Aiba Masaki) (born December 24, 1982) is a Japanese singer, actor, television personality, radio host and dancer under Johnny & Associates, later of Starto Entertainment.
What nationality is Masaki Aiba?
Masaki Aiba is Japan.
When was Masaki Aiba born?
Masaki Aiba was born on 1982-12-24.



