State Route 146 (SR 146) is a state highway that runs west-to-east through portions of Catoosa county in the northwestern part of the U.S. state of Georgia.
The route begins at an intersection with U.S. Route 27 (US 27) and SR 1 in Fort Oglethorpe. It heads east to an interchange with Interstate 75 (I-75), northwest of Indian Springs. It curves to the northeast to meet its eastern terminus at US 41/US 76/SR 3, also northwest of Indian Springs. SR 146 is not part of the National Highway System.