Thakur Artha Niranjan Joseph De Silva Deva Aditya, FRSA, DL (born 11 May 1948), known as Nirj Deva, is a British politician. A member of the Conservative Party, he served as a Member of the European Parliament for South East England from 1999 to 2019. He was a Member of Parliament (MP) in the British House of Commons from 1992 to 1997, for the seat of Brentford and Isleworth.