Senoia (the local, traditional pronunciation is "Sen-oy," with the "a" being silent) is a city in Coweta County, Georgia, United States. The population was 1,738 at the 2000 census. The 2005 estimate shows 2,719 living within Senoia, making Senoia the second largest city in Coweta County.
Senoia is located at 33°18′7″N 84°33′12″W / 33.30194°N 84.55333°W / 33.30194; -84.55333 (33.301849, -84.553450).
According to the United States Census Bureau, the city has a total area of 4.7 square miles (12.2 km²), of which, 4.6 square miles (12.0 km²) of it is land and 0.1 square miles (0.2 km²) of it (1.91%) is water.