Sir Theodore Emmanuel Gugenheim Gregory (10 September 1890 – 24 December 1970) was a British economist.

[3] Gregory was educated at Dame Alice Owen's School in Islington.

Gregory was Sir E. Cassel Professor of Economics in the University of London between 1927 and 1937.

Gregory was Chairman of the Food Grains Policy Committee (India) in 1943.

[5] Gregory was appointed an Honorary Fellow of the London School of Economics in 1958.