Carnegie Library and Henry St. Clair Memorial Hall | |
 Front of the library | |
   | |
| Location | 520 Sycamore St. and W. 4th St., Greenville, Ohio |
|---|---|
| Coordinates | 40°5′57″N 84°37′59″W / 40.09917°N 84.63306°W |
| Area | 4 acres (1.6 ha) |
| Built | 1901 |
| Architect | William S. Kaufman; Howard & Morrison |
| NRHP reference No. | 80002986[1] |
| Added to NRHP | November 26, 1980 |
The Greenville Carnegie Library is a historic library on the edge of downtown Greenville, Ohio, United States. A Carnegie library built for the community in the early 20th century, the library and an adjacent school building have been designated a historic site because of their landmark architecture.