| St Andrew | 46 | 46-60- | Chesterton |
| St Andrew | 45 | 49-57- | Cherry Hinton |
| St Andrew the Less | 45 | 473-.589- | by Barnwell Priory |
| St Barnabas | 45 | 46-57 | |
| St George | 46 | 47-61- | |
| St Giles | 45 | 43-59- | |
| St James | 45 | 48-55- | |
| St John | 45 | 46-55- | |
| St Luke | 46 | 44-60- | |
| St Mark | 45 | 44-57- | |
| St Martin | 45 | 47-57- | |
| St Matthew | 45 | 460.585 | |
| St Paul | 45 | 46-57- | |
| St Philip | 45 | 470.575 | |
| Sandpit Plantation | 23 | 29-38- | Odsey |
| Sandpit Plantation | 54 | 540.499 | Lt Abington |
| Sandy's Cut | 58 | | Ely |
| Sawpit Meadow | 64 | 613.462 | Horseheath |
| Sawston | 44, 45 | | |
| Sawston Fen | 44 or 45 | | = ?Dernford Fen or Sawston Moor |
| Sawston Moor, nr the rly | 45 | 48-50- | = ?Dale Moor, Sawston |
| Sawston Moor/Hall | 44 | 491.491 | Sawston, or Dale Moor |
| Saxon Street | 65 | 679.594 | Wood Ditton |
| Searle's Orchard | 35 | | High St, Lt Eversden |
| Sedge Fen | 49 | 40-93- | Wimblington |
| Shardelow's Farm/Well | 55 | 537.541 | Fulbourn |
| Sheep's Green | 45 | 447.576 | Cambridge |
| Shelford Common | 45 | 47-54- | Gt Shelford |
| Shepreth | 34, 44 | | |
| Shingay cum Wendy | 34, 24 | | |
| Shippea Hill Station | 68 | 64-84- | Ely |
| Short lane | 45 | 43-57- | = King's Road |
| Short North Fen Drove | 48 | 41-81- | Sutton |
| Shuckburgh Castle | 65 | 611.591 | Dullingham |
| Shudy Camps | 64, 54 | 620.445 | |
| Sinkin's/Simpkin's Spinney | 24 | 297.476 | Croydon |
| Sipsey Bridge | 65 | 656.540 | Burrough Green |
| Six Mile Bottom/Station | 55 | 577.567 | Little Wilbraham |
| Sixteen Acre | 47 | | ? |
| Sixteen Foot | 48 | | Chatteris |
| Sixteen Foot | 48, 49 | | Wimblington |
| Sixteen Foot | 49 | | Upwell |
| Sixteen Foot | 40 | 49-40- | Upwell |
| 16 Foot, Ditch of | 48 | c.42-87- | Rushbeach |
| Sixteen Foot Bank | 49 | 49-99- | Upwell |
| Sixteen Foot by Cotton's Corner | 49 | 49-99- | Upwell |
| Sixteen Foot Drain, Bedlam Bridge | 49 | 46-94- | Upwell/Manea |
| Slade End Common | 38 | 38-86-, 38-87- | Chatteris |
| Slade Field | 38 | 38-87- | Chatteris |
| Slade Lode/Lock Bridge | 38 | 391.867 | Chatteris |
| Snailwell | 66 | | |
| Snailwell Fen/Poor's Fen | 66 | 643.692 | Snailwell |
| Snailwell Heath (1) | 66 | 65-65, 66-65- | Snailwell |
| Soham | 57, 58, 67, 68 | | |
| Soham Lode | 67 | | Soham |
| Soham Mere | 57 | | Soham |
| Soham Triangular Meadow | 67 | 610.727 | Soham |
| Soham Wet Horse Fen | 67 | 615.725 | Soham |
| South Pit, Upware | 57 | 541.721 | Wicken |
| South Pit, Upware | 57 | | see Commissioner's Pit. |
| Sparrows Grove | 65 | 655.545 | Burrough Green |
| Spital End | 45 | 451.578 | Cambridge |
| Spittle-house end | 45 | 451.578 | Cambridge |
| Spring Head | 55 | 557.577 | Wilbraham Temple, Gt Wilbraham |
| Spring Head | 56 | 565.598 | (Spring Hall) Bottisham |
| Spring Head | | | see Whiteland Spring, Bottisham |
| Stable Gap, Devil's Ditch | 66 | | see King's Gap |
| Stag's Holt | 40 | 436.005 | March |
| Stanground North | 29, 19 | | |
| Stapleford | 45, 55 | | |
| Steeple Morden | 24, 23, 33, 34 | | |
| Steeple Morden Plantations | | | see Morden Grange |
| Stetchworth | 65, 56, 66 | | |
| Still House | 41 | 4595.1110 | Long Drove, Wisbech |
| Stone Corner Bridge | 20 | 27-00- | Thorney |
| Stonea | 49 | 45-93- | Wimblington |
| Stonea Farm | 49 | 457.939 | Wimblington |
| Stonea Farm | 49 | 450.943 | March |
| Stonea Station | 49 | 460.933 | Wimblington |
| Stow cum Quy Fen | 56, 55 | 515.628 | Quy & Lode |
| Stour, River | 45 | | Cherry Hinton |
| Stourbridge Common | 45 | 470.598 | Cambridge |
| Stourbridge Fair Green | 45 | 470.598 | Cambridge |
| Straight Drove nr Sutton Gault | 47, 48 | | ? Sutton |
| Street Way | 55, 56 | | |
| Street Way Hill | 55 | 56-58- | Bottisham |
| Streetly | 64 | 61-48- | West Wickham |
| Stretham | 57, 47 | | |
| Stretham Ferry Bridge(1) | 57 | 500.721 | at Elford Closes |
| Stretham Ponds | 57 | 501.722 | Stretham |
| Stump Cross | 54 | 505.442 | Hinxton/Gt Chesterford |
| Stuntney | 57 | 55-78- | Ely |
| Sutton | 47, 37, 38, 48 | | |
| Sutton Church | 47 | 448.789 | |
| Sutton America | 47 | 43-78- | Sutton |
| Sutton Chain | 47 | 41-77-, 42-78- | Sutton |
| Sutton Dole Farm | 47 | 420.758 | Haddenham |
| Sutton Dole Fen | 47 | 41-75- | Haddenham |
| Sutton Doles | 47 | 41-75-, 41-76- | Haddenham |
| Sutton Gault, 100 Foot | | | district Chatteris |
| Sutton Gault | 47 | 42-79- | district Washes, Sutton |
| Sutton Gault | 48 | | district Ely |
| Sutton Gault Hole | 48 | 436.806 | Sutton |
| Sutton Meadlands | 47 | 40-78- | Sutton |
| Sutton Meadlands Drove | 37 | 39-78- | Sutton |
| Sutton West Fen | 47 | 41-79- | Sutton see also West Fen |
| Swaffham Bulbeck | 56, 55 | | |
| Swaffham Fen | 56 | | Swaffham Bulbeck/Prior |
| Swaffham Prior | 56, 66 | | |
| Swansley Wood | 36 | 302.606 | Caxton |
| Swavesey | 36, 37 | | |
| Swing Bridge 20 Foot | ?38 | | see also Robin Knight's Lane |