- Birthday: 02. July 1930
- Birthplace: Ardatov (town), Republic of Mordovia, Russia
Iya Alexeyevna Arepina (Russian: И́я Алексе́евна Аре́пина) (July 2, 1930 in Ardatov – July 24, 2003 in Moscow) was a Soviet/Russian actress.
She was named Best Actress at the 1955 Cannes Film Festival for her performance in Bolshaya Semya, directed by Iosif Kheifits.