Seydiler District is a district of the Kastamonu Province of Turkey.

Its seat is the town of Seydiler.

[1] Its area is 233 km2,[2] and its population is 4,289 (2021).

[3] There is one municipality in Seydiler District:[1] There are 15 villages in Seydiler District:[4]

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