Korytki Leśne [kɔˈrɨtki ˈlɛɕnɛ] is a village in the administrative district of Gmina Miastkowo, within Łomża County, Podlaskie Voivodeship, in north-eastern Poland. It lies approximately 3 kilometres (2 mi) north-east of Miastkowo, 16 km (10 mi) west of Łomża, and 89 km (55 mi) west of the regional capital Białystok.