| Peter Morrell Neal | |
| Term Start: | January 6, 1862 |
| Term End: | January 1, 1866 |
| Birth Date: | September 21, 1811 |
| Death Place: | Lynn, Massachusetts |
| Signature: | Peter Morrell Neal signature.png |
| Children: | William E. Neal |
Peter Morrell Neal (September 21, 1811 – April 13, 1908) was a Massachusetts politician who served in both branches of the Massachusetts legislature and was the tenth Mayor of Lynn, Massachusetts.
Neal was the grandfather of Lynn's thirty-first mayor, Charles Neal Barney.