Mahiru no Hoshi (まひるの星; Midday Star) is Moritaka Chisato's 39th single. It was released on May 19, 1999. The title track was used as the theme song for the movie Mou Ichido Itakute -Hoshizuki Douwa-. The single reached #41 on the weekly Oricon chart and charted for six weeks, selling 23,000 copies.