Ivan Antonovich Dumbadze (Russian: Иван Антонович Думбадзе; Georgian: ივანე დუმბაძე) (January 19, 1851 – October 1, 1916) was a Major-General of H. I. M. Retinue of Nicholas II, Supreme Head (Russian: главноначальствующий) of Yalta, one of the activists of the Union of Russian People, notorious for his antisemitic and extravagant escapades.