State Highway 361 (SH 361) is a state highway in San Patricio and Nueces counties that runs from Gregory in southern Texas, near Corpus Christi, east and south to Padre Island on the Gulf of Mexico coast.

The highway's northern terminus is the intersection with SH 35 and Spur 202 at Gregory in San Patricio County.

The route runs southeast through Ingleside, where it intersects Farm to Market Road 1069, then turns northeast to Aransas Pass.

The route takes a southwesterly direction at Port Aransas and runs along the length of Mustang Island.

Much of the highway traverses the picturesque terrain of the Texas barrier islands along the Gulf of Mexico.