Kōsei Nenkin Kaikan (厚生年金会館) or Koseinenkin Hall were public halls in Japan supported by welfare pension funds.

Kōsei Nenkin Kaikan halls existed in the following locations.

• Hiroshima City Cultural Exchange Hall (formerly Hiroshima Kōsei Nenkin Kaikan) in Naka-ku, Hiroshima
• Kanazawa
• Kokurakita-ku, Kitakyūshū
• Aichi Kōsei Nenkin Kaikan in Chikusa-ku, Nagoya (1980 – 2008)
• Orix Theater (formerly Osaka Kōsei Nenkin Kaikan) in Nishi-ku, Osaka
• Tokyo Kōsei Nenkin Kaikan in Shinjuku, Tokyo (1961 – 31 March 2010)
• Hokkaido Kōsei Nenkin Kaikan in Chūō-ku, Sapporo
• Osaka

At least the following musicians have released recordings from Tokyo Kōsei Nenkin Kaikan:

• The Ventures, Ventures in Japan, 1965
• Buck Owens and The Buckaroos, In Japan! , 1967
• Masayuki Takayanagi & Kaoru Abe, June 28th, 1970
• Deep Purple, August 15 & 16, 1972, Made in Japan
• Herbie Hancock, Dedication, September 21, 1974
• Cannonball Adderley, The Japanese Concerts, 1975
• Milt Jackson, 1976
• Camel, January 27, 1980
• King Crimson, October 14, 1995
• Steve Hackett, The Tokyo Tapes, December 16 & 17, 1996
• Rainbow, December 5th, 8th, & 9th, 1976, On Stage recordings
• Frank Zappa, February 3rd, 1976
• Yellow Magic Orchestra, May 7th,1980