Black Lagoon

Black Lagoon (stylized in all caps) is a Japanese manga series written and illustrated by Rei Hiroe. It has been published in Shogakukan's seinen manga magazine Monthly Sunday Gene-X since April 2002, with its chapters collected in 13 tankōbon volumes as of December 2023. In North America, the manga is licensed for English release by Viz Media.

The series follows the Lagoon Company, a four-member team of pirate mercenaries smuggling goods in and around the seas of Southeast Asia with their PT boat, the Black Lagoon. The group takes on various jobs, usually involving criminal organizations, and resulting in violent gunfights.

The manga received an anime television series adaptation by Madhouse, which was broadcast for two seasons of 12 episodes each in 2006, followed by a five-episode original video animation (OVA) series released from July 2010 to June 2011.

By December 2023, the Black Lagoon manga had over 9.5 million copies in circulation. The series has been overall well received, with critics particularly praising the action sequences.