Emperor's Cup and Empress' Cup All Japan Volleyball Championship (天皇杯・皇后杯全日本バレーボール選手権大会, Tennōhai Kōgōhai Zen Nippon Volleyball Senshuken Taikai) is a Japanese volleyball competition that was established in 2007. It is organized by the Japan Volleyball Association.

The word Tennō (天皇) means the Emperor of Japan, and the term Kōgō (皇后) is the Empress of Japan. The Tennō Kōgō Commemorative Cup is given to the champion of the tournament. The Commemorative Cup was given to the winner of the Kurowashiki All Japan Volleyball Championship until 2006.

The Japan Emperor Cup Volleyball Tournament is one of the most prestigious and historic volleyball competitions in Japan. Established to honor the Japanese Imperial family, the tournament brings together top men's and women's volleyball teams from across the country to compete for the esteemed Emperor's Cup. Known for its high level of competition, thrilling matches, and passionate fan support, the event showcases Japan's best volleyball talent and promotes the sport's growth nationwide. Held annually, the Japan Emperor Cup serves as a key highlight in Japan's volleyball calendar, celebrating athletic excellence, teamwork, and sportsmanship.