Route 12 is a numbered state highway in Rhode Island, United States. It runs approximately 17 miles (27 km) from Route 14 in Foster to Broad Street in Cranston.

Route 12 starts at Route 14 and Route 102 in Foster. It roughly follows the shore of the Scituate Reservoir before passing over its dam. It passes over I-295 without an interchange and heads towards downtown Cranston. After passing the city center as a main east–west corridor, Route 2 passes Route 10's southern terminus. It passes US 1A and ends at Broad Street, an old alignment of US 1A, 0.3 miles (0.48 km) later.

This section is empty. You can help by adding to it. (December 2013)

The entire route is in Providence County.

Location	mi	km	Destinations	Notes
Scituate	0.0	0.0	Route 14 / Route 102 (Plainfield Pike)	Western terminus
	7.2	11.6	Route 116 (East Road)
Cranston	12.5	20.1	Route 51 south (Phenix Avenue)	Northern terminus of Route 51
	12.9	20.8	Route 5 (Atwood Avenue)
	14.6	23.5	Route 2 (Reservoir Avenue)
	15.6	25.1	US 1 (Elmwood Avenue)
	15.8	25.4	Route 10 north to I-95	Interchange, southern terminus of Route 10
	16.6	26.7	US 1A / Route 117 (Warwick Avenue)
	17.0	27.4	Broad Street	Eastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

• 2019 Highway Map, Rhode Island