Petru Rareș is a commune in Bistrița-Năsăud County, Transylvania, Romania.

It is composed of two villages, Bața (Baca) and Reteag (the commune centre; Hungarian: Retteg; German: Retteneck).

Named after Petru Rareș (voivode of Moldavia in the 16th century), the commune lies on the Transylvanian Plateau, on the right bank of the Someșul Mare River.

According to the census, 53.21% of inhabitants are Romanians, 25.75% Roma, and 17.1% Hungarians.

This Bistrița-Năsăud County location article is a stub.