Yūichi Karasuma is a Japanese voice actor affiliated with the talent agency Ken Production. He was born on January 1 in Ibaraki Prefecture.

Karasuma’s voice acting career includes a range of supporting roles in anime across various genres. In the original net animation series Hero Mask, he provided the voice for the character Grimm. In the 2014 animated film Santa Company, he voiced the character Rudolph III. His other notable television anime credits include roles in Ore no Kanojo to Osananajimi ga Shuraba Sugiru, Cuticle Tantei Inaba, Senran Kagura, and Valvrave the Liberator. His film work also includes a role in the 2015 movie Psycho-Pass: The Movie.