| State: | NH |
| Type: | NH |
| Route: | 156 |
| Map Custom: | yes |
| Map Notes: | Map of Rockingham County in southeastern New Hampshire with NH 156 highlighted in red |
| Length Mi: | 6.423 |
| Direction A: | South |
| Terminus A: | in Raymond |
| Direction B: | North |
| Terminus B: | in Nottingham |
| Counties: | Rockingham |
| Previous Type: | NH |
| Previous Route: | 155 |
| Next Type: | NH |
| Next Route: | 171 |
New Hampshire Route 156 (NH 156) is a 6.424adj=midNaNadj=mid secondary north–south highway in Rockingham County in southeastern New Hampshire. The road runs from Raymond to Nottingham.
The southern terminus of NH 156 is at New Hampshire Route 27 and New Hampshire Route 107 on the east side of Raymond. The northern terminus is in Nottingham at NH 152.
NH 156 begins at an intersection with NH 27 and NH 107 in Raymond, located near the exit 5 interchange of NH 101. The short highway travels north in a generally northeastern direction. It passes by two cemeteries and Pawtuckaway Lake before reaching its northern terminus at an intersection with NH 152 in Nottingham.