Kaynaşlı District is a district of the Düzce Province of Turkey.

Its seat is the town of Kaynaşlı.

[1] Its area is 237 km2,[2] and its population is 20,449 (2022).

[3] There is one municipality in Kaynaşlı District:[1] There are 20 villages in Kaynaşlı District:[4]

This geographical article about a location in Düzce Province, Turkey is a stub.