Kazuko Kojima is a Japanese voice actress and narrator who was active in the anime industry during the mid-to-late 2000s. She began her voice acting career in 2005 with a role in the anime series Twin Princess of Wonder Planet. For a significant portion of her career, she was affiliated with the talent management agency Osawa Office until August 2009. Kojima was known for her versatile voice, often bringing to life characters who were cheerful, energetic, or had a quirky nature. One of her most recognized roles is Maru, one of the twin spirits who reside in Yūko Ichihara's shop, in the popular CLAMP series xxxHOLiC. She voiced this character across the television anime, the theatrical film xxxHOLiC: A Midsummer Night's Dream, and the OVA xxxHOLiC: Rō Adayume. Another notable role was as Koyuki Asagiri in the series Kujibiki Unbalance. Her work also extended to video games, where she provided the Japanese voice for Alice in Odin Sphere. Kojima's other anime credits include appearances in Eureka Seven, Bamboo Blade, and Love★Com. Beyond anime, she worked as a narrator for television programs and lent her voice to foreign series for Japanese dubs, such as the live-action show Drake & Josh. Since her departure from Osawa Office in 2009, details about her professional activities have become unavailable to the public.