| Michael Costable | |
| State House1: | New Hampshire |
| District1: | Rockingham 3rd |
| Term Start1: | 2016 |
| Term End1: | August 1, 2020 |
| State House2: | New Hampshire |
| District2: | Carroll 8th |
| Term Start2: | December 7, 2022 |
| Party: | Republican |
Michael Costable[1] is an American politician. He serves as a Republican member for the Carroll 8th district of the New Hampshire House of Representatives.[2]