All | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z
| Lancaster Castle | North west |
| Lancaster Farms YOI | North west |
| Latchmere House | London |
| Leeds | Yorkshire |
| Leicester | Midlands |
| Lewes | South east |
| Leyhill | South west |
| Lincoln | Midlands |
| Lindholme | Yorkshire |
| Littlehey | East |
| Liverpool | North west |
| Long Lartin | Midlands |
| Low Newton | North east |
| Lowdham Grange | Midlands |