Masao Urino

is a Japanese lyricist, script writer, and film director. He has written lyrics for many musical groups and individual artists, sometimes under the pseudonym .

After graduating from Tochigi Prefectural Ashikaga High School, he graduated in 1974 with a degree in literature from Sophia University. After graduating, he worked as a copy writer for the advertising firm , which went bankrupt in 1999. Due to missing an error in an advertisement in a national newspaper, though, he was forced to do other work. While working at Tōkyū Agency International (now Frontage), he made his lyricist debut with the 1981 Chanels song Hoshi Kuzu no Dance Hall.

In 1982, he had a big hit with the Akina Nakamori song Shōjo A.