Isleham Nature Reserve is a 1.1 hectare Local Nature Reserve in Isleham in Cambridgeshire.

It is owned by Cambridgeshire County Council and managed by the council together with the Friends of Isleham Nature Reserves.

[1][2] The site is a stretch of a former railway line.

It is grassland and hedgerows with a wide variety of fauna and flora.

There are flowering plants such as field scabious, greater knapweed, St John's wort, wild marjoram and bladder campion.