Porubaⓘ (Polish: Porębaⓘ) is a municipal part of Orlová in the Karviná District of Moravian-Silesian Region of Czech Republic.

The name, both in Czech and Polish, is a common Slavic name denoting an area cleared by clearcutting of trees.

[2][4] Politically the village belonged to the Duchy of Teschen, which was since 1327 a fee of the Kingdom of Bohemia, which after 1526 became a part of the Habsburg monarchy.

In terms of the language spoken colloquially the majority were Polish-speakers (dropping in percentage from 97.6% in 1880 to 94% in 1900, and then more pronouncly to 59.5% in 1910), accompanied by Czech-speakers (growing from 1.2% in 1880 to 38.9% in 1910) and German-speakers (at most 1.8% in 1900).

Following the Munich Agreement, in October 1938 together with the Zaolzie region it was annexed by Poland, administratively organised in Frysztat County of Silesian Voivodeship.