State Route 146 (SR 146) is a 5.1-mile-long (8.2 km) state highway that runs west-to-east through portions of Catoosa county in the northwestern part of the U.S. state of Georgia.

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.

[1] SR 146 is not part of the National Highway System.

[2] The entire route is in Catoosa County.