Ryōko Nagata (永田 亮子 Nagata Ryōko), born February 23, 1975 in Gifu, is the Japanese voice actor of an announcer from ep. 6, a female bank clerk from ep. 8, a store clerk from ep. 9, "Female Student A", a kendo girl from ep. 10, and a nurse from ep. 24 of the Azumanga Daioh anime. She is a freelance voice actress. She has also appeared in Mermaid Melody: Pichi Pichi Pitch and The Melancholy of Haruhi Suzumiya, as well as a few video games. Nagata enjoys reading and watching theatrical plays.