The Czech National Socialist Party (Czech: Česká strana národně socialistická), abbreviated to ČSNS 2005, was a political party in the Czech Republic.

Founded in 2005 by members of the Czech National Social Party because of financial problems of that party, ČSNS 2005 was committed to the heritage of the First Republic Czechoslovak National Socialist Party, party of Edvard Beneš or Milada Horáková.

The Czech National Socialist Party was a Eurosceptic party and cooperated with the party Sovereignty – Jana Bobošíková Bloc.

In 2011, it merged with the ational Socialist Party – Left Wing of the 21st Century, which had been established by Jiří Paroubek.

This article about a Czech political party is a stub.