R15, R-15, or similar, may refer to:
R-15 (あーるじゅうご Āru Jūgo) is a Japanese light novel series written by Hiroyuki Fushimi and illustrated by Takuya Fujima. The first volume was published by Kadokawa Shoten in July 2009 and eight volumes have been released as of July 2011. A manga adaptation illustrated by Hayato Ōhashi started serialization in the June 2010 issue of Kadokawa Shoten's Monthly Shōnen Ace magazine. An anime TV series adaptation began airing in Japan in July 2011.
R-15 is about a boy, Taketo Akutagawa, who attends a school for geniuses: Inspiration Academy Private High School. Taketo is a genius novelist and writes erotica. Despite negative perceptions many people have of him, he aims to be at the top of his class and be recognized as the world's greatest writer.
In this series, most of the names of the characters have some connection to that particular characters' field of interest.
The R-15 light novels are written by Hiroyuki Fushimi, with illustrations by Takuya Fujima. The first volume was published in July 2009 under Kadokawa Shoten's Kadokawa Sneaker Bunko imprint; as of July 1, 2011, eight volumes have been released.
The R-15 was a submarine-launched ballistic missile (SLBM) design from the Soviet Union during the Cold War. It was not deployed.
The R-15 was a project to develop an SLBM complex D-3 with the capability to be launched directly from the submarine while submerged. The development was authorized for OKB-586 in Dnipropetrovsk, Ukraine, on 20 March 1958 and cancelled before testing in December 1958.