Grigore Gheorghe Cantacuzino (1872 – 1930) was a Romanian Conservative politician who served as Mayor of Bucharest from March to December 1913.

[1] The son of Gheorghe Grigore Cantacuzino and brother of Mihail G. Cantacuzino, he married Alexandrina Pallady.

[2] One of his sons, Alexandru Cantacuzino, became a prominent figure in Romania's fascist Legionary Movement.