Niranjan Joseph De Silva Deva Aditya, FRSA, DL (born 11 May 1948), commonly known as Nirj Deva, is a British politician. A member of the Conservative Party, he has been a Member of the European Parliament representing South East England since 1999. He was previously a Member of Parliament (MP) in the British House of Commons from 1992 to 1997, representing the constituency of Brentford and Isleworth.
Deva was born in Sri Lanka into a politically active family, and was raised in Britain. He was only the Fifth Asian-born person to be elected a Member of the House of Commons, and was the Second Asian-born person to be elected as a Conservative member of the European Parliament.
He served as Chairman of the Bow Group in 1981.