Viktor Nikolaevich Denisov (Russian: Виктор Николаевич Денисов; March 8, 1893 – August 3, 1946),[1] best known by the shortened pseudonym Viktor Deni, was a Russian and Soviet satirist, cartoonist and poster artist.

Deni was one of the major agitprop poster artists of the Bolshevist period (1917–1921).

[3] Deni moved to St. Petersburg in 1913 where he established himself as a successful caricaturist, his caricatures appearing in a number of illustrated satirical journals.

He produced nearly 50 political posters during the Russian Civil War, including some of his most well known satirical work.

[3] Deni subsequently focused on producing newspaper cartoons that addressed foreign policy issues.