The , abbreviated MLIT, is a ministry of the Japanese government. It is responsible for one-third of all the laws and orders in Japan and the largest Japanese ministry in terms of employees, as well as the second-largest organ of the Japanese government after the Ministry of Defense. The ministry has four external organs including the Japan Coast Guard and the Japan Tourism Agency.
MLIT was established as part of the administrative reforms of January 6, 2001, which merged the , , , and the .