| State: | MS |
| Type: | MS |
| Route: | 342 |
| Map Custom: | yes |
| Alternate Name: | Black Zion Road |
| Length Mi: | 7.793 |
| Length Ref: | [1] |
| Established: | 1956 |
| Direction A: | West |
| Terminus A: | near Pontotoc |
| Junctions: | near Pontotoc |
| Direction B: | East |
| Terminus B: | West Main Street near Trace State Park |
| Counties: | Pontotoc |
| Previous Type: | MS |
| Previous Route: | 341 |
| Next Type: | MS |
| Next Route: | 345 |
Mississippi Highway 342 (MS 342), also known as Black Zion Road, is a 7.793adj=midNaNadj=mid west–east state highway in eastern Pontotoc County, Mississippi, connecting MS 41 near Pontotoc to West Main Street east of Pontotoc. It is generally a narrow two-lane route.
MS 342 begins at an intersection with MS 41 just southeast of the Pontotoc city limits. It winds its way east up the Chiwapa Creek valley (on the creek's northern banks) for about 6miles to make a sharp left turn at an intersection with Valley Road at the community of Zion (also known as Black Zion). The highway heads north for about 1miles before coming to an intersection with U.S. Route 278 (US 278)/MS 6 just outside of Trace State Park. The road continues for another 0.65miles to end at West Main Street and Faulkner Road.
The entire length of Mississippi Highway 342 is a rural, two-lane, state highway.