Mayumi Iizuka (飯塚 雅弓, Iizuka Mayumi, born January 3, 1977) is a Japanese actress, voice actress, singer and disc jockey who was born in Tokyo. She is currently affiliated with Across Entertainment and her label is Lantis. She is an instructor at the Stay Luck training school Follow-Up. For her singing activities, she uses the alias Hoshi Mai (星 舞).
Her well-known roles as a voice actress include Kasumi (Misty) in the Pokémon series, Tron Bonne in the Mega Man Legends series and Claiomh Everlasting in the Sorcerous Stabber Orphen series.