| Union Cross | community in SE Forsyth County. |
| Union Cross | community in central Yadkin County. Named for Union Cross Friends Meeting, organized in 1883. |
| Union Factory | See Randleman. |
| Union Grove | community in N Iredell County. Settled prior to 1847, when a Methodist church was built. Named for a grove of trees in which union camp meetings were held. Alt. 850. |
| Union Grove | community in N Yadkin County near the head of Fall Creek. |
| Union Grove Township | N central Iredell County. |
| Union Hill | community in W Surry County between Little Mountain and South Fork. |
| Union Hill | community in NE Yadkin County. |
| Union Hope | community in SW Nash County. |
| Union Mills | community in N Rutherford County. Est. 1892. Inc. 1907; charter repealed 1924. Named for the consolidation of several small sawmills in the period 1885-90. |