| Herman T. Costello | |
| Office1: | Member of the New Jersey Senate from the 7th Legislative District |
| Term Start1: | January 12, 1982 |
| Term End1: | January 10, 1984 |
| Predecessor1: | Charles B. Yates |
| Successor1: | Catherine A. Costa |
| Office2: | Member of the New Jersey General Assembly from the 7th Legislative District |
| Term Start2: | November 8, 1976 |
| Term End2: | January 12, 1982 |
| Alongside2: | Barbara Kalik |
| Predecessor2: | George H. Barbour |
| Successor2: | Catherine A. Costa |
| Birth Date: | 27 October 1920 |
| Birth Place: | Burlington, New Jersey |
| Death Place: | Burlington, New Jersey |
| Party: | Democratic |
| Residence: | Burlington, New Jersey |
Herman T. Costello (October 27, 1920 – June 11, 2017) was an American politician. Costello served as Mayor of Burlington, New Jersey.[1] Costello also served in the New Jersey General Assembly from the 7th Legislative District from 1976 to 1982 and in the New Jersey Senate from 1982 to 1984.[2]