Japan Business Federation (?????????, Nippon Keizaidantairengoukai?) is an economic organization founded in May 2002 by amalgamation of Keidanren (Japan Federation of Economic Organizations, established 1946) and Nikkeiren (Japan Federation of Employers' Associations, established 1948). Its 1,662 members consist of 1,343 companies, 130 industrial associations, and 47 regional economic organizations (as of June 22, 2007).

For most of the post-war period, the Keidanren has been the voice of big business in Japan and is generally considered the most conservative of the country's three major economic organizations. The other two organizations are the Japan Chambers of Commerce and Industry and the Japan Committee for Economic Development (?????).

According to the organization's official website, the mission of the Keidanren is to: accelerate growth of Japan's and world economy and to strengthen the corporations to create additional value to transform Japanese economy into one that is sustainable and driven by the private sector, by encouraging the idea of individuals and local communities.