The All Monopoly Corporation Workers' Union (Zensenbai) was a trade union representing workers in the tobacco and salt industries in Japan.
The union was founded in 1949, and was a founding affiliate of the General Council of Trade Unions of Japan.
[1] By 1967, it had 39,426 members.
[2] In 1985, the tobacco industry was privatised, leading the tobacco section of the union to split away as the Japan Tobacco and Allied Workers' Union.
The union dissolved in 1987.