Gmina Miłki is a rural gmina (administrative district) in Giżycko County, Warmian-Masurian Voivodeship, in northern Poland. Its seat is the village of Miłki, which lies approximately 14 kilometres (9 mi) south-east of Giżycko and 92 km (57 mi) east of the regional capital Olsztyn.
The gmina covers an area of 169.43 square kilometres (65.4 sq mi), and as of 2006 its total population is 3,861.
Gmina Miłki contains the villages and settlements of Bielskie, Borki, Czyprki, Danowo, Jagodne Małe, Jagodne Wielkie, Jedamki, Kąp, Kleszczewo, Kleszczewo-Osada, Konopki Małe, Konopki Wielkie, Lipińskie, Lipowy Dwór, Marcinowa Wola, Miechy, Miłki, Paprotki, Przykop, Ruda, Rydzewo, Staświny, Staświny-Osada, Wierciejki and Wyszowate.
Gmina Miłki is bordered by the gminas of Giżycko, Mikołajki, Orzysz, Ryn and Wydminy.
Coordinates: 53°56′25″N 21°52′35″E / 53.94028°N 21.87639°E