Chiba Jets Funabashi is a Japanese professional basketball team located in Funabashi, Chiba. The team joined the JBL Super League in 2005 and currently competes in the B.League, which they have won in 2021. Owned by Mixi, they have also won five Emperor's Cups.

Funabashi is a city located in Chiba Prefecture, Japan. As of 1 December 2020, the city had an estimated population of 644,668 in 309,238 households and a population density of 7,500 inhabitants per square kilometre (19,000/sq mi). The total area of the city is 85.62 square kilometres (33.06 sq mi). It is the Greater Tokyo Area's 7th most populated city, and second largest in Chiba Prefecture.