Obasamudram is a village in the Tiruvallur district of Tamil Nadu, India.

It is located in the Gummidipoondi taluk.

[1] According to the 2011 census of India, Obasamudram has 866 households.

The effective literacy rate (i.e. the literacy rate of population excluding children aged 6 and below) is 56.63%.

This article related to a location in Tiruvallur district, Tamil Nadu, India is a stub.