P. S. Nataraja Pillai (March 1891  – 1966)[2][1] was an Indian politician, freedom fighter and Member of Parliament during the 3rd Lok Sabha elections held in 1962.

He served as the Adviser to the Travancore government at Delhi in 1948 and finance minister of the Travancore-Cochin state from 1954 to 1955.

[3] His son Sundaram pillai was economics Professor at Sree Krishna College, Guruvayur.

In 2017, the Chief Minister of Kerala Pinarayi Vijayan claimed to have made objectionable remarks about P. S. Nataraja Pillai.

The opposition party Indian National Congress demanded the resignation of the Kerala CM over his remarks which landed him in a wide controversy.