Dominion (ドミニオン, Dominion) is a manga written and illustrated by Masamune Shirow.
Dominion has been adapted into three original video animation series: the first was released in 1988, the second, New Dominion Tank Police (特捜戦車隊ドミニオン, Tokusō Sensha Tai Dominion) in 1993, and the third, Tank Police Team TANK S.W.A.T. 01 (警察戦車隊ＴＡＮＫＳ．Ｗ．Ａ．Ｔ．０１, Keisatsu Sensha Tai TANK S.W.A.T. 01) in 2006. The 1988 OVA is four volumes long and animated by Agent 21, the 1993 OVA is six volumes long and animated by J.C.Staff, while TANK S.W.A.T. is one volume long and animated by DOGA Productions.
The manga was published by Hakusensha, Kodansha and later by Seishinsha. It has been published in English by Dark Horse Comics. The anime has been released in English translation in the United Kingdom and Australia by Manga Entertainment and in the United States by Central Park Media, under their U.S. Manga Corps division. The New Dominion Tank Police series was also distributed in the UK, Australia and United States by Manga Entertainment, but later expired. Maiden Japan licensed the six-episode 1993 New Dominion Tank Police OVA series for distribution in North America in 2013.
Set in the fictional city of Newport, Japan, in a future in which bacteria as well as air pollution have become so severe that people must wear gas masks when outdoors, the series follows a police squadron that uses military-style tanks.