Sanislău (Hungarian: Szaniszló, Hungarian pronunciation: [ˈsɒnisloː]; German: Stanislau) is a commune of 4,986 inhabitants situated in Satu Mare County, Romania.

It is composed of three villages: Horea (Károlyipuszta), Marna Nouă (Újmárna) and Sanislău.

The commune is located at the western limit of the county, at a distance of 17 km (11 mi) west of Carei and 55 km (34 mi) from the county seat, Satu Mare.

[3] The Vermeș Swamp [ro] is a 10 ha (25 acres) protected area located on the territory of Sanislău.

This Satu Mare County location article is a stub.