| David Van Alstyne | |
| Office1: | Member of the New Jersey Senate from Bergen County |
| Term Start1: | 1943 |
| Term End1: | 1953 |
| Predecessor1: | Lloyd L. Schroeder |
| Successor1: | Walter H. Jones |
| Office2: | Member of the New Jersey General Assembly from the Bergen district |
| Term Start2: | 1940 |
| Term End2: | 1941 |
| Birth Date: | 3 January 1897 |
| Birth Place: | Louisville, Kentucky |
| Death Place: | Englewood, New Jersey |
| Party: | Republican |
| Relatives: | Leah Ayres (granddaughter) |
David Van Alstyne (January 3, 1897 – October 10, 1985) was an American politician who served in the New Jersey General Assembly from 1940 to 1941 and in the New Jersey Senate from 1943 to 1953.
He died of a heart attack on October 10, 1985, at his home in Englewood, New Jersey at age 88.[1]