| Headercolor: | yellow |
| Birth Name: | Gomathi Marimuthu |
| Nationality: | Indian |
| Birth Date: | 8 February 1989 |
| Birth Place: | Tiruchirappalli, Tamil Nadu, India |
| Sport: | Track and field |
| Event: | Middle-distance running |
| Show-Medals: | yes |
Gomathi Marimuthu is an Indian Track and field middle-distance runner who won the gold medal in the women's 800 m at the 2019 Asian Athletics Championships held in Doha, Qatar. She was born on 8 February in the year 1989 in Tamil Nadu. She was banned for four years after failing a doping test