Nadezhda Andreevna Udaltsova was a Russian avant-garde artist, painter and teacher.

The Russian avant-garde was a large, influential wave of avant-garde modern art that flourished in the Russian Empire and the Soviet Union, approximately from 1890 to 1930—although some have placed its beginning as early as 1850 and its end as late as 1960. The term covers many separate, but inextricably related, art movements that flourished at the time; including Suprematism, Constructivism, Russian Futurism, Cubo-Futurism, Zaum, Imaginism, and Neo-primitivism. In Ukraine, many of the artists who were born, grew up or were active in what is now Belarus and Ukraine, are also classified in the Ukrainian avant-garde.