| Chamber: | Assembly |
| State: | New York |
| District: | 8 |
| Representative: | Michael Fitzpatrick |
| Party: | Republican |
| Residence: | St. James |
| Democratic: | 27.1 |
| Republican: | 38.5 |
| Npp: | 27.6 |
| Percent White: | 85 |
| Percent Black: | 1 |
| Percent Hispanic: | 8 |
| Percent Asian: | 5 |
| Percent Native American: | 0 |
| Percent Pacific Islander: | 0 |
| Percent Other Race: | 0 |
| Population: | 126,794 [1] |
| Population Year: | 2020 |
| Registered: | 106,468 [2] |
New York's 9th State Assembly district is one of the 150 districts in the New York State Assembly. It has been represented by Republican Michael Fitzpatrick since 2003.
District 8 is in Suffolk County. The district includes the town of Smithtown and portions of the town of Islip.