| Sathiyamangalam | |
| State: | Tamil Nadu |
| Type: | SLA |
| Established: | 1957 |
| District: | Erode |
| Loksabha Cons: | Gobichettipalayam |
| Electors: | 171,378 |
| Reservation: | None |
| Abolished: | 2011 |
Sathyamangalam was a state assembly constituency in Tamil Nadu. Elections and winners in the constituency are listed below. The constituency was in existence from 1957 to 2010 after which it was merged with Bhavani Sagar.
| Year | Winner | Party | |
|---|---|---|---|
| Madras State | |||
| 1957 | K. Gopal Gounder | ||
| 1962 | Gopal Gounder | ||
| 1967 | P. G. Karuthiruman | ||
| Tamil Nadu | |||
| 1971 | S. K. Subramaniam | ||
| 1977 | K. A. Sengottaiyan | ||
| 1980 | R. Rangasamy | ||
| 1984 | E. V. K. S. Elangovan | ||
| 1989 | T. K. Subramaniam | ||
| 1991 | A. T. Saraswathi | ||
| 1996 | S. K. Rajendran | ||
| 2001 | K. R. Kandasamy | ||
| 2006 | L.P.Dharmalingam | ||