Pirog or pyrih (, pl. pirogi пироги ; ; ; pl. pīrāgi; , pl. pyrohy пироги) is a baked case of dough with a sweet or savoury filling. Pirogi are common in Eastern European cuisines. Pirogi are characterised as "the most popular and important dish" and "truly national goods" of Russian cuisine, "ubiquitous in Russian life".

Piróg is a village in the administrative district of Gmina Stromiec, within Bialobrzegi County, Masovian Voivodeship, in east-central Poland. It lies approximately south-west of Stromiec, east of Bialobrzegi, and south of Warsaw.