Horní Domaslavice (Polish: Domasłowice Górne) is a municipality and village in Frýdek-Místek District in the Moravian-Silesian Region of the Czech Republic.

Horní Domaslavice is located about 7 kilometres (4 mi) east of Frýdek-Místek, in the historical region of Cieszyn Silesia.

The village was first mentioned in a Latin document of Diocese of Wrocław called Liber fundationis episcopatus Vratislaviensis from around 1305 as Domaslawitz utroque.

According to the censuses conducted in 1880–1910 the population of the municipality dropped from 798 in 1880 to 789 in 1910 with a majority being native Czech-speakers (between 94.2% and 97.8%) accompanied by a small Polish-speaking minority (at most 29 or 3.7% in 1900) and German-speaking (at most 40 or 5% in 1880).

Following the Munich Agreement, in October 1938 together with the Trans-Olza region it was annexed by Poland, administratively adjoined to Cieszyn County of Silesian Voivodeship.