费耶尔州（匈牙利语：Fejér）是匈牙利中部的一个州。面积4,359平方公里，人口428,579（2004年）。首府塞克什白堡。

下设2市、10镇、108乡。

For the historical county see Fejér (former county).

Fejér (Hungarian pronunciation: [ˈfɛjeːr]) is the name of an administrative county (comitatus or megye) in Central Hungary. It lies on the west bank of the river Danube and nearly touches the eastern shore of Lake Balaton. It shares borders with the Hungarian counties Veszprém, Komárom-Esztergom, Pest, Bács-Kiskun, Tolna and Somogy. The capital of Fejér county is Székesfehérvár.