Ottasekharamangalam is a village in Thiruvananthapuram district in the state of Kerala, India.

[1] As of 2011[update] India census, Ottasekharamangalam had a population of 19,345 with 9,322 males and 10,023 females.

Lord Siva temple hosts an important annual festival, Thiruvthira.

Many devotees attend in the annual Thiruvathira festival and Thirunal sadya.

This article related to a location in Thiruvananthapuram district, Kerala, India is a stub.