Datam Polystar Co., Ltd. (株式会社データム・ポリスター) was a Tokyo, Japan-based game and music publisher. It was originally the game soundtrack label of music publishing company Polystar, but was spun off as an independent company in May 1990. Yukio Kakehi was the company's president for its entire existence.

Datam Polystar's last release was in 2009, after which the company went dormant. It was officially dissolved in February 2019.