Irina Viktorovna Dryagina (Russian: Ирина Викторовна Дрягина; 31 March 1921 – 9 June 2017) was a botanist and veteran of the Second World War.

During the conflict, she served as a squadron commissar in the 46th Guards Night Bomber Aviation Regiment until the post of squadron commissar was abolished, after which she transferred to the post of assistant chief of the political department for the Komsomol of the 9th Guards Fighter Aviation Division, commanded by Alexander Pokryshkin.

During her childhood, Dryagina and her family regularly sailed on a barge from Saratov to Astrakhan; her brother Viktor died when he was just 37 years old.

After the position of squadron commissar was officially abolished in 1943 she transferred to the 9th Guards Fighter Aviation Division as an assistant chief of the political department for the Komsomol.

In the 1960s, she started working with the Moscow State University in the All-Union Research Institute of Selection and Seed Production of Vegetable Crops.