Konstantin Grigorev
- Title: Konstantin Grigorev
- Popularity: 1.732
- Known For: Acting
- Birthday: 1937-02-18
- Place of Birth: Leningrad, Russian SFSR, USSR [now St. Petersburg, Russia]
- Homepage:
- Also Known As: Константин Григорьев, Константи́н Константи́нович Григо́рьев, Konstantin Grigoriev, Konstantin Grigorev, Konstantin Grigoryev, K. Grigoryev