Maria Grigor'evna Nikiforova (Ukrainian: Марія Григорівна Нікіфорова; 1885–1919) was a Ukrainian anarchist partisan leader that led the Black Guards during the Ukrainian War of Independence, becoming widely renowned as an atamansha. A self-described terrorist from the age of 16, she was imprisoned for her activities in Russia but managed to escape to western Europe. With the outbreak of World War I, she took up the defencist line and joined the French Foreign Legion on the Macedonian front before returning to Ukraine with the outbreak of the 1917 Revolution.