Rina Grishina
- Title: Rina Grishina
- Popularity: 7.5
- Known For: Acting
- Birthday: 1987-08-16
- Place of Birth: Naro-Fominsk, Moskovskaya oblast, RSFSR, USSR [now Russia]
- Homepage:
- Also Known As: Рина Гришина, Ekaterina Grishina, Rina Gishina, Rina, Ekaterina Nikolaevna Grishina