Yumi Tōma (Yumi Yoshida) (冬馬 由美 (吉田 由美), Tōma Yumi (Yoshida Yumi)?) (born Yumi Nakagawa (中川 由美, Nakagawa Yumi?) on December 20, 1966) is a Japanese singer and seiyū from Chiba. She has been part of the singing group Goddess Family Club. Tōma also works for Aoni Production.
According to the Anime News Network, as of October 13, 2006 Tōma is the second most profillic female seiyū with 179 roles credited to her name. The only female seiyū to have more roles than Tōma is Megumi Hayashibara.
She is the Japanese voice of Urd in the Oh My Goddess! series.