T
- Tadburn Meadows
- Tailby Meadow
- Tanfield Lea Marsh
- Target Hill Park
- Tavistock Viaduct Walk
- Telford Town Park – Telford and Wrekin
- Temple Copse (part of Three Copses)
- Ten Shilling Wood – Coventry
- Tenterfields – Dudley
- Teversal/Pleasley Network – Nottinghamshire
- Thatcham Reed Beds
- Thatto Heath Meadows
- The Beechwoods (and western extension 01/04/92)
- The Boardwalks
- The Bottoms
- The Cairn
- The Carrs, Mansfield – Mansfield, Notts
- The Chase - Barking
- The Chase - Havering
- The Cliff, Salford – Salford
- The Commons, Welwyn – Welwyn and Hatfield, Herts
- The Dales Open Space
- The Ercall and Lawrence's Hill – Telford and Wrekin
- The Flashes
- The Gullet
- The Haven, Aldeburgh
- The Hermitage, Mansfield - Mansfield, Notts
- The Kench, Hayling Island
- The Kittiwake Tower
- The Leasowes – Dudley
- The Maer
- The Manor, Havering – Havering, Greater London
- The Mill Field
- The Moor, Hawkhurst
- The Moor, Sedgefield – Sedgefield, Co Durham
- The Moors, Bishops Waltham
- The Orchards – Leicester
- The Pennings, Eye
- The Pingle – East Lindsey, Lincs
- The Quarr
- The Railway Walks
- The Riddy
- The Ripple
- The Sanctuary – Derby
- The Scrase Valley
- The Shrubberies – Lincolnshire
- The Spinney, Carshalton
- The Whinnies – Co Durham
- The Wick
- The Wigan Flashes – Wigan
- The Wild Grounds
- The Wildwater
- The Withey Beds
- The Wood and Richard Jefferies Bird Sanctuary
- Theaker Avenue – West Lindsey, Lincs
- Therfield Heath
- Thorncombe Wood
- Thornwood Flood Meadow
- Thorpe Wood – Cleveland
- Three Brooks Local Nature Reserve
- Throckley and Walbottle Dene – Newcastle upon Tyne
- Thurstaston Common – Wirral
- Tiger Hill, Sudbury – Suffolk
- Tile Hill Wood
- Tilesheds
- Tilgate Forest
- Tinkers Copse
- Tippings Wood – Nottinghamshire
- Tiptree Parish Field
- Titchfield Haven
- Titchmarsh, Northamptonshire – Northamptonshire
- Tocil Wood and Meadow – Coventry
- Toll's Meadow, Wymondham
- Tong Moor – Kirklees, West Yorkshire
- Top Field and Cozens Grove
- Totteridge Fields
- Totternhoe Knolls
- Tottington Wood
- Toton Fields – Broxtowe, Notts
- Tower Hamlets Cemetery Park & Ackroyd Drive Green Link
- Town End Common – Sheffield
- Townclose Hills – Leeds
- Trafford Ecology Park – Trafford
- Trinity Hill, Devon – East Devon
- Troopers Hill
- Trowbarrow Quarry
- Trowell Marsh – Erewash, Derbyshire
- Tuckmill Meadows
- Tunstall Hills
- Tupsley Quarry
- Turbary Common
- Turlin Moor
- Twerton Roundhill
- Tyler Hill Meadow
Read more about this topic: List Of Local Nature Reserves In England