Saint Peter and Paul Cathedral, Karlovy Vary, (Russian: Це́рковь Святы́х первоверхо́вных апо́столов Петра́ и Па́вла) is a Russian Orthodox church located in Karlovy Vary (Carlsbad), Czech Republic, it's country's largest and most important orthodox church.
The current church was designed back in 1893, by local architect Gustav Wiedermann, as a replacement for substandard orthodox chapel, located in Mariánskolázeňská street, funded by local Russian and Serbian nobility and enterpreuners, construction started later that year, design of The Church of Holy Trinity in Ostankino, (Храм Троицы Живоначальной в Останкине), in Moscow was used as pattern. The church was consecrated on June 9, 1897 in the name of the holy apostles Peter and Paul.
In 2016, the church went through extensive renovations equal to worth of nearly 3.2 million $.