Tokiko Kato (加藤 登紀子 , Katō Tokiko, real name: Tokiko Fujimoto, born December 27, 1943), nicknamed Otoki-san, is a Japanese singer, composer, and actress. She is best known for voicing Gina in Porco Rosso.

Kato was born in Harbin, Manchuria, to Japanese parents and graduated from the University of Tokyo. After working as a visiting professor at the Faculty of Tourism, Josai International University, she was a visiting professor at the Department of Symbiotic Sciences, Seisa University.