Rie Tomosaka (ともさか りえ, Tomosaka Rie) is a Japanese actress and pop star from Mitaka-shi, Tokyo, born on October 12, 1979 in Nagano-shi, Nagano. She works for Itoh Company. From 1996 to 1997, she has also released music under the name Eri Sakatomo (さかともえり, Sakatomo Eri).