AOB may refer to:
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-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, 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.
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.
Aobayama Station (青葉山駅, Aobayama-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.
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.
Aoba Castle (青葉城, Aoba-jō) is a Japanese castle located in Sendai, Miyagi Prefecture, Japan. Throughout the Edo period, Aoba Castle was home to the Date clan, daimyō of Sendai Domain.
Aobajō Yukio (born 14 November 1948 as Yukio Shōji) is a former sumo wrestler from Sendai, Miyagi Prefecture, Japan.
Aoba (あおば(青葉), green leaves) is the name of a number of train services that formerly operated in Japan by Japanese National Railways (JNR), and most recently an all-stations service operated by East Japan Railway Company (JR East) until September 1997 on the high-speed Tōhoku Shinkansen in Japan.