Obnora (Russian: Обно́ра) is a river in Vologda and Yaroslavl Oblasts of Russia. It is a tributary of the Kostroma River. It is 132 kilometres (82 mi) long, with a drainage basin of 2,440 square kilometres (940 sq mi).
The town of Lyubim is situated by the Obnora.
Coordinates: 58°13′12″N 40°57′35″E / 58.2199°N 40.9596°E