Yasuda Ken is a Japanese actor, talent, voice actor, and suit actor from the Etomo district of Muroran, Hokkaido. His agency is CREATIVE OFFICE CUE, and his business partner is Amuse. He belongs to the theater unit TEAM NACS as the sub-leader.
He graduated from Muroran Sakae High School General Course. He had convulsion on the day of the entrance examination for Kushiro University of Education, which he had been aspiring for, and was unable to take the examination, so he entered Hokkai Gakuen University and graduated from the Faculty of Business Administration.
He got a job as a medical office worker in the dentistry clinic of a general hospital but retired 10 months after joining the company because he was not familiar with the workplace and wanted to concentrate on performing arts activities. After his resignment, he worked part-time as a hotel breakfast buffet clerk while performing entertainment activities.
In 2001, he made his movie debut in "man-hole" directed by Suzui Takayuki.
Since 2002 he has been Muroran Furusato Goodwill Ambassador.
His brother is composer and radio director Yasuda Fumi.