Megumu Sagisawa (鷺沢萠, 20 June 1968 – 11 April 2004) was the pen name of Japanese novelist and writer Megumi Matsuo (松尾めぐみ). Her works of fiction have been described as focusing on topics such as complex interpersonal relationships and the anxieties of the youth. Sagisawa published her debut novel Kawaberi no michi (川べりの道, The Path by the River) in 1987, for which she became the youngest person to win the Bungakukai Prize for New Authors. She later won the 1992 Izumi Kyōka Prize for Literature for Kakeru shōnen (駆ける少年, The Running Boy) and became a five-time nominee for the Akutagawa Prize.