Tokiomi Tohsaka is a villain from Fate/Zero who is the father of Rin Tohsaka and Sakura Matou, two of the heroines from Fate/stay night. As a member of the Tohsaka family, he entered the fourth Holy Grail War as the master of Archer. Kiritsugu Emiya identifies Tokiomi as the third of the three most threatening magi involved in the war after assessing all the Masters involved.
He is voiced by Sho Hiyami in the Japanese version of the anime and Marc Diraison in the English version, the latter of whom also voices Guts and Akihiko Kayaba.