| Chamber: | Assembly |
| State: | New York |
| District: | 90 |
| Representative: | Nader Sayegh |
| Party: | Democratic |
| Residence: | Yonkers |
New York's 90th State Assembly district is one of the 150 districts in the New York State Assembly. It has been represented by Democratic Assemblyman Nader Sayegh since 2019.
District 90 is located entirely within Westchester County. It consists of a majority of Yonkers.
The district is entirely within New York's 16th congressional district, and partially overlaps the 35th and 37th districts of the New York State Senate.