Manorhaven
- County:
- Nassau County
- County Seat:
- No
- Area (mi²):
- 0.469
- State:
- New York
Manorhaven is a village located in Nassau County, New York. Manorhaven has a 2026 population of 6,997. Manorhaven is currently growing at a rate of 0.98% annually and its population has increased by 0.57% since the most recent census, which recorded a population of 6,957 in 2020.