Itou Shizuka, born December 5, 1980 in Tokyo, Japan, is a voice actress (seiyuu) and singer. She is currently represented by Ken Production. When voicing adult work, she is known as Misaki Rina and Kawajiri Taeko.
Itou and fellow seiyuu Nabatame Hitomi formed a seiyuu unit called Nabatame Hitomi and Itou Shizuka. Together they are known by their affectionate name Hitoshizuku (ひとしずく), which is Japanese for "a single droplet".