AOB may refer to:
Aoba-ku (青葉区) is one of five wards of Sendai, the largest city in the Tōhoku region of Japan. Aoba-ku encompasses 302.278 km² and had a population of 296,551, with 147,622 households as of March 1, 2012.
Aoba-ku (青葉区) is one of the 18 wards of the city of Yokohama in Kanagawa Prefecture, Japan. As of 2010, the ward had an estimated population of 302,643 and a density of 8,610 persons per km².
Aoba, also known as Ambae or Leper's Island, is an island in the South Pacific island nation of Vanuatu, located near 15°30′S 167°30′E.
Aoba-dori Ichibancho Station (青葉通一番町駅, Aoba-dōri Ichibanchō-eki) is a subway station on the Sendai Subway Tozai Line in Aoba-ku, Sendai, Japan, operated by the municipal subway operator Sendai City Transportation Bureau.
Aobe Station (青部駅, Aobe-eki) is a railway station Kawanehon, Haibara District, Shizuoka Prefecture, Japan, on the Ōigawa Main Line.
Aobajō Yukio (born 14 November 1948 as Yukio Shōji) is a former sumo wrestler from Sendai, Miyagi Prefecture, Japan.
The Aoba-class cruisers (青葉型巡洋艦, Aoba-gata jun'yōkan) were a class of two heavy cruisers constructed for the Imperial Japanese Navy (IJN) which saw service during World War II.