Japanese Canadians are Canadian citizens of Japanese ancestry. Japanese Canadians are mostly concentrated in Western Canada, especially in the province of British Columbia, which hosts the largest Japanese community in the country with the majority of them living in and around Vancouver. In 2016, there were 121,485 Japanese Canadians throughout Canada.

The Japanese diaspora and its individual members, known as Nikkei (日系) or as Nikkeijin (日系人), comprise the Japanese emigrants from Japan residing in a country outside Japan. Emigration from Japan was recorded as early as the 15th century to the Philippines, but did not become a mass phenomenon until the Meiji period (1868–1912), when Japanese emigrated to the Philippines and to the Americas. There was significant emigration to the territories of the Empire of Japan during the period of Japanese colonial expansion (1875–1945); however, most of these emigrants repatriated to Japan after the 1945 surrender of Japan ended World War II in Asia.