Kosai can stand for: *

Hiroki Kosai is a Japanese astronomer with the Kiso Observatory. He is best known for helping to popularize astronomy in Japan and for his observations of comets and asteroids, most notably with his co-discovery the comet 1976 XVI. He is credited by the M ...

, 20th-century Japanese astronomer *

Kosai, Shizuoka is a city located in far western Shizuoka Prefecture, Japan. , the city had an estimated population of 57,885 in 24,232 households, and a population density of 668.7 persons per km². The total area of the city is . Geography Kosai is located ...

, Japan, a city *

Kōsai was a former monk of the Tendai Buddhist sect and controversial disciple of Hōnen who advocated the that led to his public censure, his later expulsion by Hōnen and eventual exile to Shikoku. Kōsai taught that one recitation of Amitabha Budd ...

, a disciple of Hōnen of the Jōdo Shū Buddhist sect *

Kosai river The Kosai River ( hi, कोसै नदी) is a small river located near Kharagpur in the Indian state of West Bengal. It is the primary source of water supply for the township and the Indian Institute of Technology, Kharagpur. See also *Li ...

, near Kharagpur in the Indian state of West Bengal * Count

Kosai Uchida Kosai can stand for: * Hiroki Kosai, 20th-century Japanese astronomer * Kosai, Shizuoka, Japan, a city * Kōsai, a disciple of Hōnen of the Jōdo Shū Buddhist sect * Kosai river The Kosai River ( hi, कोसै नदी) is a small river lo ...

(or Uchida Yasuya), 19th-20th-century Japanese statesman and diplomat *

Wiang Kosai ''Wiang'' is a Tai word for "fortified settlement" or "walled town, city" of Austroasiatic origin, from Proto-Austroasiatic ''*wa(a)ŋ''.Shorto, H. A Mon-Khmer Comparative Dictionary, Ed. Paul Sidwell, 2006. Entry 767. p. 233 This toponymic element ...

, a national park in the Phrae and Lampang provinces of Thailand * Kosai or

koose Koose (also known as Bean Cake) is a spicy black-eyed pea fritter that is commonly eaten in West Africa as a snack. It was introduced to West Africa by the Hausa people of Northern Nigeria and other parts of West Africa such as the northern regio ...

, an African pea fritter