| Chamber: | Assembly |
| State: | New York |
| District: | 123 |
| Representative: | Donna Lupardo |
| Party: | Democratic |
| Residence: | Endwell |
New York's 123rd State Assembly district is one of the 150 districts in the New York State Assembly. It has been represented by Donna Lupardo since 2005.
District 123 is entirely within Broome County. It contains the city of Binghamton and the towns of Union and Vestal.