Polonia Nowy Tomyśl was established in 1922, and for much of its history has competed in lower regional and amateur leagues in Poland.

The club first gained promotion to the senior league system in 1958, reaching the III liga, which was then a league at the third tier of the Polish football pyramid.

It repeated this achievement in 1992, before suffering a series of relegations to the regional leagues at the sixth tier level.

[1][2] After the end of the 2011–12 season of the IV liga Greater Poland, the team was dissolved.

[4] They withdrew their senior team during the winter break of the 2022–23 season,[5] and, as of May 2024, were in the process of re-establishing it.