| Alfonso T. Montoya | |
| Birth Date: | 1927 |
| Death Date: | January 14, 1973 (aged 46) |
| Office1: | Member of the New Mexico House of Representatives |
| Term Start1: | 1959 |
| Term End1: | 1960 |
| Office2: | Member of the New Mexico Senate |
| Term Start2: | 1961 |
| Term End2: | 1973 |
| Party: | Democratic |
| Relatives: | Joseph M. Montoya (brother)[1] Tom O. Montoya (brother) Ted R. Montoya (brother) |
Alfonso T. Montoya (1927 – January 14, 1973) was an American politician. He served as a Democratic member of the New Mexico House of Representatives and the New Mexico Senate.