Gmina Repki is a rural gmina (administrative district) in Sokołów County, Masovian Voivodeship, in east-central Poland. Its seat is the village of Repki, which lies approximately 10 kilometres (6 mi) south-east of Sokołów Podlaski and 95 km (59 mi) north-east of Warsaw.

The gmina covers an area of 168.79 square kilometres (65.2 sq mi), and as of 2006 its total population is 5,809 (5,576 in 2013).

Gmina Repki contains the villages and settlements of Baczki, Bałki, Bohy, Borychów, Czaple-Andrelewicze, Czaple-Kolonia, Gałki, Jasień, Józin, Kamianka, Kanabród, Karskie, Kobylany Górne, Kobylany-Skorupki, Liszki, Mołomotki, Mołomotki-Dwór, Ostrówek, Ostrowiec, Remiszew Duży, Remiszew Mały, Repki, Rogów, Rudniki, Sawice-Bronisze, Sawice-Dwór, Sawice-Wieś, Skorupki, Skrzeszew, Skrzeszew E, Skwierczyn-Dwór, Skwierczyn-Wieś, Smuniew, Szkopy, Wasilew Skrzeszewski, Wasilew Szlachecki, Wierzbice Górne, Włodki, Wyrozęby-Konaty, Wyrozęby-Podawce, Zawady and Żółkwy.

Gmina Repki is bordered by the gminas of Bielany, Drohiczyn, Jabłonna Lacka, Korczew, Paprotnia, Sabnie and Sokołów Podlaski.

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• Polish official population figures 2006

52°24′4″N 22°30′10″E / 52.40111°N 22.50278°E / 52.40111; 22.50278