Bahu Bharya (Polygyny) (Sinhala: බහුභාර්යා) is a 1999 Sri Lankan Sinhala adult suspense thriller film directed by Udayakantha Warnasuriya and produced by Ranjith Jayasuriya for Ureka Films.

[1] It stars Ranjan Ramanayake and Vasanthi Chathurani in lead roles along with Sangeetha Weeraratne and Srinath Maddumage.

On a way to a site in the rain at night, his path is blocked by a tree collapsed to the road.

When he works on cutting the tree and clear the path, Theja, a young woman at the house comes to help him.

This relationship develops with the time and Theja wants to have him so in order to that she tries to kill his wife Navoda.