Moor Hall Meadows is a 24.4-hectare (60-acre) biological Site of Special Scientific Interest in Moor Green in Hertfordshire. The local planning authority is East Hertfordshire District Council.

The site has a variety of types of meadows, with marshy grassland being the most extensive. Its rich flora makes it one of the most important grassland sites in the county. There is also a small ancient woodland which has a variety of breeding birds.

There is access by a narrow footpath near Moor Hall.

• List of Sites of Special Scientific Interest in Hertfordshire

51°55′16″N 0°04′03″W / 51.9211°N 0.0674°W / 51.9211; -0.0674