The Czechoslovak Traders' Party (Czech: Československá živnostensko-obchodnická strana středostavovská, ČŽOS) was a liberal and conservative political party in Czechoslovakia, whose notable leaders were Josef Václav Najman [cs] and Rudolf Mlčoch [cs].

[1] In the first Czechoslovak elections later in the year the ČŽOS won six seats in the Chamber of Deputies and three in the Senate.

[2] The 1925 elections saw the party increase its parliamentary representation, winning 13 seats in the Chamber and six in the Senate.

The party was more successful in the 1935 elections, winning 17 seats in the Chamber and eight in the Senate.

It ran on a right-wing platform, and co-operated with the Republican Party of Farmers and Peasants in Parliament.