Nalla Theerpu (transl. Excellent Judgement) is a 1959 Indian Tamil-language legal drama film directed by T. Prakash Rao and written by Murasoli Maran. A remake of the 1955 Bengali film Sabar Uparey, the film stars Gemini Ganesan and Jamuna. It was released on 9 April 1963, and emerged a success.^{[citation needed]}

A man who works in a bank is imprisoned on a charge of murder that he did not commit. He asks his wife to tell the world her husband is dead and asks her to dress like a widow.^{[citation needed]} He requests her to make their son a lawyer so that he can win the case and get him released. The son turns into an efficient lawyer and wins the case against his father.^{[citation needed]}

The producer Sundar Lal Nahatha came from Vijayawada to Chennai and set up his own film production company. He produced many films in Tamil, Telugu and Hindi under different banners. This film is one of them produced under the banner Sri Productions.

Music was composed by S. M. Subbaiah Naidu.

Nalla Theerpu was released on 9 April 1959, delayed from March, and fared well at the box office.