| Pierre-Calixte Neault | |
| Office: | Member of the Legislative Assembly of Quebec for Champlain |
| Predecessor: | Pierre Grenier |
| Successor: | Joseph-Arthur Labissonnière |
| Term Start: | 1900 |
| Term End: | 1912 |
| Birth Date: | 26 December 1860 |
| Birth Place: | Saint-Maurice, Canada East |
| Death Place: | Grand-Mère, Quebec |
| Party: | Liberal |
Pierre-Calixte Neault (December 26, 1860 - August 30, 1924) was a politician Quebec, Canada and a two-term Member of the Legislative Assembly of Quebec (MLA).
He was born on December 26, 1860, in Saint-Maurice, Mauricie.
He served as Mayor of Grand-Mère from 1910 to 1916 and in 1919 and 1920.
Neault ran as a Liberal candidate in the district of in the provincial district of Champlain in 1900 and won. He was re-elected in 1904 and 1908.
He lost re-election in 1912, against Conservative candidate Joseph-Arthur Labissonnière.
He died on August 30, 1924, in Grand-Mère.