Gheorghe Gh. Mârzescu (also known as George G. Mârzescu; July 4, 1876 – May 12, 1926) was a Romanian lawyer, journalist and politician. A member of the National Liberal Party (PNL), he was Minister of Agriculture (1916–1918), Interior (1918–1919), Labor and Social Protection (1922–1923) and Justice (1923–1926) in successive cabinets of Ion I. C. Brătianu.