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
| Hampshire YOI | South east |
| Haslar | South east |
| Haverigg | North west |
| Hewell Grange | Midlands |
| High Down | South east |
| Highpoint | East |
| Hindley | North west |
| HMYOI Deerbolt | North east |
| Hollesley Bay | East |
| Holloway | London |
| Holme House | North east |
| Hull | Yorkshire |
| Huntercombe | South east |