| Ayvat Bendi Nature Park | |
| Alt Name: | Ayvat Bendi Tabiat Parkı |
| Map: | Istanbul |
| Label: | Ayvat Bendi Nature Park |
| Label Position: | left |
| Location: | Kemerburgaz, Eyüp, Istanbul Province, Turkey |
| Coordinates: | 41.1978°N 28.9208°W |
| Area: | 50ha |
| Established: | 2011 |
| Governing Body: | Directorate-General of Nature Protection and National Parks Ministry of Environment and Forest |
Ayvat Bendi Nature Park (Turkish: Ayvat Bendi Tabiat Parkı) is a nature park located in Eyüpsultan district of Istanbul Province, Turkey.
Situated 9km (06miles) north of Kemerburgaz neighborhood of Eyüpsultan, it covers an area of 50ha. It was established in 2011, and is one of the nine nature parks inside the Belgrad Forest. The protected area is named after the Ayvat Dam (Turkish: Ayvat Bendi), which was built by Ottoman Sultan Mustafa III (reigned 1757–1774) in 1765 on the Ayvat Creek, a tributary of the Kağıthane Creek.
The nature park can be accessed from the west over Kemerburgaz or from the east over Bahçeköy, Sarıyer. City bus lines #42M or #42HM serve Bahçeköy from Zincirlikuyu and Hacıosman respectively, from where a taxi ride is needed.