Deep Creek is a long in Oneida County, Idaho and Box Elder County, Utah in the United States, that is a tributary of the Great Salt Lake.
Beginning at an elevation of north of Holbrook in northern Oneida County, it flows south into Box Elder County, passing through Curlew Valley and the uninicorporated communities of Holbrook and Stone in Idaho and the town of Snowville in Utah. It then flows to its mouth on the northern edge of the Great Salt Lake, southeast of Kelton, at an elevation of .