| Chinnain Thirugnanadurai | |
| Nationality: | Indian |
| Sport: | Track and field |
| Event: | Sprints |
| Birth Date: | 1974 5, df=yes |
| Birth Place: | usilumpat, Madurai district, Tamil nadu |
| Residence: | ponneri, Tamil nadu |
| Retired: | yes |
| Country: | India |
| Pb: | 100 m: 10.40 (Lucknow 1999) |
Chinnain Thirugnanadurai (born 1 May 1974) is a retired Indian sprinter.