| Matthew T. Cronin | |
| Birth Place: | New Jersey, United States |
| Death Place: | Bayonne, New Jersey, US |
| Residence: | Bayonne, New Jersey |
| Office: | Mayor of Bayonne |
| Order: | 10th |
| Term Start: | 1912 |
| Term End: | 1914 |
| Predecessor: | John J. Cain |
| Successor: | Dr. Bert J. Daly |
| Party: | Democrat |
| Spouse: | Mae Elizabeth McCurry |
Matthew T. Cronin (September 1868 – October 23, 1931) was an American politician. Cronin served in office from 1912 to 1914 as the 10th mayor of Bayonne, New Jersey. As mayor of Bayonne, he was succeeded by Bert J. Daly.
Cronin succeeded John J. Cain in the Democratic primaries and went on to win the general election for mayor of Bayonne, New Jersey. Most notably, he was responsible in improving Bayonne's water supply during his term. He ran for a second term as Bayonne's mayor but ultimately lost to Bert J. Daly in the democratic primaries. Daly went on to become the 11th mayor of Bayonne.
Cronin was a member of the Roman Catholic Church. His wife was Mae Cronin (née Mae Elizabeth McCurry).
Cronin died in his home on 23 October 1931. His funeral mass was held at St. Vincent's Roman Catholic Church in Bayonne. He was interred at the Holy Cross Cemetery, a Roman Catholic cemetery located at 3620 Tilden Avenue, East Flatbush, Brooklyn, New York City.