Steam locomotives operated in the United Kingdom with names beginning with R.
| Name | Railroad, # | Builder, s/n | Build date | Whyte type | Notes |
|---|---|---|---|---|---|
| Raby Castle | LNER 2825 | 4-6-0 | |||
| Radley | SR 930 | 4-4-0 | |||
| Raglan Castle | GWR 5008 | 4-6-0 | |||
| Ragley Hall | GWR 4962 | 4-6-0 | |||
| Raleigh | LMS 5639 | 4-6-0 | |||
| Raleigh | LNWR 1527 | Crewe | 2/1888 | 2-4-0 | Became LMS 5006; wd 5/1925. |
| Raven | SDR | 0-4-0ST | |||
| Ravenswood | LNER 9362 | 4-4-0 | |||
| Raynham Hall | LNER 2811 | 4-6-0 | |||
| Reading | GWR | 0-6-0 | |||
| Reading Abbey | GWR 5084 | 4-6-0 | |||
| Red Gauntlet | GWR | 4-4-0 | |||
| Red Star | GWR | 2-2-2 | |||
| Redgauntlet | GWR 2983 | 4-6-0 | |||
| Redgauntlet | LNER 9897 | 4-4-0 | |||
| Redruth | WCwR | 0-6-0ST | |||
| Regulus | GWR | 0-6-0 | |||
| Remembrance | LBSCR 333 | 4-6-4T | |||
| Remembrance | SR 2333 | 4-6-0 | |||
| Remus | GWR | 0-6-0 | |||
| Remus | SDR | 0-6-0ST | |||
| Rennie | GWR | 2-4-0 | |||
| Renown | LMS 5713 | 4-6-0 | |||
| Repton | SR 926 | 4-4-0 | |||
| Repulse | LMS 5725 | 4-6-0 | |||
| Resolution | LMS 5608 | 4-6-0 | |||
| Resolven Grange | GWR 6869 | 4-6-0 | |||
| Restormel Castle | GWR 5010 | 4-6-0 | |||
| Revenge | LMS 5714 | 4-6-0 | |||
| Rhea | GWR | 0-6-0 | |||
| Rhondda | GWR | 0-6-0 | |||
| Rhuddlan Castle | GWR 5039 | 4-6-0 | |||
| Rhyl | LMS 5521 | 4-6-0 | |||
| Rignall Hall | GWR 4963 | 4-6-0 | |||
| Ripon Hall | GWR 5914 | 4-6-0 | |||
| Rising Star | BR 70027 | Crewe | 10/1952 | 4-6-2 | Wd 6/1967; scr 11/1967. |
| Rising Star | GWR | 2-2-2 | |||
| River Avon | SR 790 | Ashford | 2-6-4T | Named in January 1925. | |
| River Cray | SR A800 | Ashford | 12/1926 | 2-6-4T | This locomotive derailed while pulling a loaded passenger train on August 21, 1927, approaching Sevenoaks; the locomotive survived with little damage but 13 people died and 43 others were severely injured in the trailing passenger cars. |
| River Esk | R&ER | Paxman | 1923 | 2-8-2 | 15" gauge |
| River Fal | GWR 3379 | 4-4-0 | |||
| River Frome | SR A890 | Ashford | 12/1925 | 2-6-4T | |
| River Irt | R&ER | Heywood | 1894 | 0-8-2 | 15" gauge |
| River Itchen | SR 803 | Ashford | 2-6-4T | ||
| River Mite | R&ER | Clarkson | 1966 | 2-8-2 | 15" gauge |
| River Plym | GWR 3376 | 4-4-0 | |||
| Rob Roy | GWR | 4-4-0 | |||
| Rob Roy | GWR 2988 | 4-6-0 | |||
| Rob Roy | LNER 9895 | 4-4-0 | |||
| Robert Blake | SR 855 | 4-6-0 | |||
| Robert Burns | BR 70006 | Crewe | 4/1951 | 4-6-2 | Wd 5/1967; scr 11/1967. |
| Robert H. Selbie | LNER 6155 | 0-6-4T | Ex-LPTB | ||
| Robert the Devil | LNER 4479 | 4-6-2 | |||
| Roberts | GWR | 2-4-0 | |||
| Roberts | GWR | 2-4-0T | |||
| Robin Hood | BR 70038 | Crewe | 3/1953 | 4-6-2 | Wd 8/1967; scr 2/1968. |
| Robin Hood | GWR | 4-4-0 | |||
| Robin Hood | S&WR | 0-6-0T | |||
| Rocket | GWR | 2-2-2 | |||
| Rocket | SDR | 4-4-0ST | |||
| Roderick Dhu | LNER 6400 | 4-4-0 | |||
| Rodney | LMS 5643 | 4-6-0 | |||
| Rodwell Hall | GWR 4964 | 4-6-0 | |||
| Rolleston Hall | GWR 5973 | 4-6-0 | |||
| Romulus | GWR | 0-6-0 | |||
| Romulus | SDR | 0-6-0ST | |||
| Rood Ashton Hall | GWR 4965 | 4-6-0 | |||
| Rook | SDR | 0-4-0ST | |||
| Rooke | LMS 5660 | 4-6-0 | Became BR 45660. | ||
| Rosa | LVR | 4-4-0ST | |||
| Rosa | SDR | 0-6-0ST | |||
| Rose | GWR | 2-4-0T | |||
| Rotterdam Lloyd | SR 21C14 | 4-6-2 | |||
| Rougemont | GWR | 4-2-2 | |||
| Rougemont Castle | GWR 5007 | 4-6-0 | |||
| Roundhill Grange | GWR 6854 | 4-6-0 | |||
| Rover (1st) | GWR | 4-2-2 | |||
| Rover (2nd) | GWR | 4-2-2 | |||
| Roxburghshire | LNER 306 | 4-4-0 | |||
| Royal Army Service Corps | LMS 6126 | 4-6-0 | |||
| Royal Fusilier | LMS 6111 | 4-6-0 | |||
| Royal Inniskilling Fusilier | LMS 6120 | 4-6-0 | |||
| Royal Irish Fusilier | LMS 6123 | 4-6-0 | |||
| Royal Lancer | LNER 4476 | 4-6-2 | |||
| Royal Mail | SR 21C3 | 4-6-2 | |||
| Royal Naval Division | LMS 5502 | 4-6-0 | |||
| Royal Scot | LMS 6100 | 4-6-0 | |||
| Royal Scots Fusilier | LMS 6103 | 4-6-0 | Rebuilt 1943 with a taper boiler | ||
| Royal Scots Grey | LMS 6101 | 4-6-0 | |||
| Royal Signals | LMS 5504 | 4-6-0 | |||
| Royal Star | BR 70028 | Crewe | 10/1952 | 4-6-2 | Wd 9/1967; scr 2/1968. |
| Royal Star | GWR | 2-2-2 | |||
| Royal Tank Corps | LMS 5507 | 4-6-0 | |||
| Royal Ulster Rifleman | LMS 6122 | 4-6-0 | |||
| Royal Welch Fusilier | LMS 6118 | 4-6-0 | |||
| Roydon Hall | GWR 5994 | 4-6-0 | |||
| Ruby | GWR | 0-6-0 | |||
| Ruckley Grange | GWR 6846 | 4-6-0 | |||
| Rudyard Kipling | BR 70035 | Crewe | 12/1952 | 4-6-2 | Wd 12/1967; scr 4/1968. |
| Rugby | SR 920 | 4-4-0 | |||
| Rushton Hall | GWR 5913 | 4-6-0 | |||
| Rutlandshire | LNER 2754 | 4-4-0 | |||
| Ryde | SR 3 | 4-4-0 | Operated on the Isle of Wight |