Sir Dinshaw Edulji Wacha (1844-1936) was a Parsi Indian politician from Bombay. He was one of the founders of the Indian National Congress, and its President in 1901.
He was associated with the cotton industry and was the President of the Indian Merchants' Chamber in 1915. He was knighted in 1917.
Sir Dinsha was a member of the Bombay Legislative Council, the Imperial Legislative Council and the Council of State. He headed the Western India Liberal Association from 1919 to 1927.
- G. A. Natesan, Dinshaw Edulji Wacha (Madras, 1909)
- In South Mumbai, a road has been named after him, called Dinshaw Wachha Road.