| Irina Gribko | |
| Birth Place: | Minsk, Belarusian SSR, Soviet Union |
| Sport: | Rowing |
| Show-Medals: | yes |
Irina Petrovna Gribko (Russian: Ирина Петровна Грибко, born 16 January 1969) is a retired Soviet rower who won a silver medal in the eights at the 1991 World Championships. Next year her team finished fourth in this event at the 1992 Summer Olympics. She later competed for Belarus and won a bronze medal in the coxless fours at the 1995 World Championships.