Rivanj is an Adriatic Sea island in the Zadar Archipelago, between the islands of Sestrunj and Ugljan, with an area of 4.4 square kilometres (1.7 sq mi)[1] (length 3.4 km (2.1 mi), width up to 1.4 km (0.9 mi)); population 31 (2011);[2] highest peak Lukocina (112 metres (367 feet)).
The only village is Rivanj, located in the interior of the island; below it, on the south-western coast, is a small harbour with a hamlet.
Rivanj has a daily ferry and ship line with Zadar.
The present village was allegedly founded by the inhabitants of the island of Ugljan.
There are only 2 family surnames in Rivanj, Radulić and Fatović, and there is a church of St. Jelena on the island.