Eriyodu (Tamil: எரியோடு) is a panchayat town in the state of Tamil Nadu, India. Eriyodu is in the administrative district of Dindigul. Eriyodu is located in Dindigul to Karur State Highway road (SH 74).

Eriyodu's railway station is an important stop for Bangalooru Trains. Eriyodu has a public library, a EB office, a post office, a police station, and a government hospital. Tamil Nadu Mercantile Bank is the only bank in Eriyodu. There are ten dependent villages scattered around Eriyodu. Eriyodu can spell by Eriodu also.

Eriyodu is located at 10.533°N 78.067°E. It has an average elevation of 260 meters (853 feet).The nearest airport is at Madurai and the nearest railway station is the Dindigul Junction Railway Station. The nearby tourist destination is the Kodaikanal hill station.