| Headercolor: | lightsteelblue |
| Marina Kolonina | |
| Fullname: | Marina Sergeyevna Kolonina |
| Birth Date: | 3 February 1970 |
| Birth Place: | Moscow, Russia |
| Weight: | 540NaN0 |
| Sport: | Modern pentathlon |
| Club: | Trade unions, Спартак, Dynamo Moskva |
| Show-Medals: | yes |
Marina Kolonina (Russian: Марина Колонина born February 3, 1970, in Moscow) is a Russian modern pentathlete.