Ikuko Kato (かとう 郁子, Kato Ikuko, March 25, 1976) is a Japanese actress born in Tokyo, Japan, working for Across Entertainment. Her old name is 加藤 郁子 (same reading). She is 161 cm tall and blood type is B.

In addition to playing a role in the film 1 Litre of Tears, she was the performer of the main theme song titled 空へ (Sora e, To the Sky in English).