Horndon Meadow is a 0.8-hectare (2.0-acre) nature reserve north of Stanford-le-Hope in Essex.

It is managed by the Essex Wildlife Trust.

[1] This site is an unimproved hay meadow, which has around eighty flower species, such as green-winged orchids, yellow rattles, musk mallows and black knapweeds.

Other plants include adder's tongue ferns.

[1] There is access from South Hill, at Tyelands Farm.