Naan Petra Selvam is a 1956 Indian Tamil-language drama film directed by K. Somu and written by A. P. Nagarajan, starring Sivaji Ganesan and G.

[2] Shekar, the son of Mirasdar Gunaseelan, discovers that his cousins Gowri and Sundar are leading a difficult life.

Gunaseelan's accountant Vajram and wife Vadamalligai wants to take advantage of this rift and to usurp his employer's wealth.

Gunaseelan's loyal servant Poyyamozhi tries his best to reveal Vajram's intentions, but falls to deaf ears.

Greedy Vajram opposes his son Arivumathi from marrying Ezhilarasi since she is not from a wealthy family.

Meanwhile, Gowri is admitted to Dr. Sumathi's maternity nursing home and Shekar tries stealing in order to pay the bills.

Gowri learns about this and leaves the nursing home, humiliated by Shekar's deed.

Selvam meets with an accident, Poyyamaozhi sees this and bring him back home.

Meanwhile, Vajram and Vadamalligai persuades Nalina to imprison Gunaseelan but the plan was spoilt when a robbery takes place and she was attacked by the robber.