The Taiheiyo Masters, titled since 2001 as the Mitsui Sumitomo Visa Taiheiyo Masters (三井住友Visa太平洋マスターズ, Mitsui sumitomo biza taiheiyō masutāzu) for sponsorship reasons, is a professional golf tournament on the Japan Golf Tour.

Founded in 1972, it was promoted as the Pacific Masters and for a few years was the richest golf tournament in the world with a prize fund of US$300,000.

[1] It remains one of the richest tournaments in Japan, attracting some of the leading international golfers.

Its title sponsors are Sumitomo Mitsui Banking Corporation and Visa.

The inaugural tournament went into a playoff between America's Gay Brewer and Australia's David Graham.