| Maapaju Nature Reserve | |
| Map: | Estonia |
| Relief: | yes |
| Location: | Estonia |
| Nearest City: | Aegviidu |
| Area: | 451 ha |
| Established: | 2005 |
Maapaju Nature Reserve is a nature reserve which is located in Harju County, Estonia.[1]
The area of the nature reserve is 451 ha.[2]
The protected area was founded in 2005 to protect valuable habitat types and threatened species in Vikipalu and Pillapalu village (Anija Parish).