Iya Alexeyevna Arepina (Russian: И́я Алексе́евна Аре́пина; July 2, 1930 in Ardatov – July 24, 2003 in Moscow) was a Soviet/Russian actress.^[1]

She was named Best Actress at the 1955 Cannes Film Festival for her performance in Bolshaya Semya, directed by Iosif Kheifits.^[2]

• Steppe Dawns (1953) as Varya
• A Big Family (1954) as Tonya Zhurbina
• Land and People (1955) as student
• Ilya Muromets (1956) as Alyonushka
• The Wrestler and the Clown (1957) as Maria Nikolayevna aka Mimi
• Most Expensive (1957) as Polina, sister of Roman
• The Captain's Daughter (1958) as Masha Mironova
• Red Leaves (1958) as Stasya Yanovskaya
• On the Roads of War (1958) as Vera
• Under the Sound of Wheels (1958) as Nastya
• Journey Beyond Three Seas (1958) as Dunayaha
• Special Approach (1959) as Olya, kindergarten manageress
• Gloomy Vangur (1959) as Natasha, student
• After the Ball (1961) as Varenka Butyrlina
• When Bridges are Made (1962) as Inga
• War and Peace (1967) as girl in the Akhrosimova house, who gave Natasha a letter
• The Incident, which no one Noticed (1967)
• The Red Snowball Tree (1974) as Egor Prokudin's sister