Steam locomotives operated in the United Kingdom with names beginning with W.
| Name | Railroad, # | Builder, s/n | Build date | Whyte type | Notes |
|---|---|---|---|---|---|
| Wallsworth Hall | GWR 5974 | 4-6-0 | |||
| Walsingham | LNER 2802 | 4-6-0 | |||
| Walter Burgh Gair | LNER 5433 | 4-4-0 | |||
| Walton Grange | GWR 6849 | 4-6-0 | |||
| Walton Hall | GWR 5918 | 4-6-0 | |||
| Wandering Willie | LNER 9499 | 4-4-0 | |||
| Wantage Hall | GWR 5962 | 4-6-0 | |||
| Wardley Hall | GWR 5950 | 4-6-0 | |||
| Wardour Castle | GWR 5066 | 4-6-0 | |||
| Warfield Hall | GWR 4976 | 4-6-0 | |||
| Warhawk | GWR | 0-6-0 | |||
| Warlock (1st) | GWR | 4-2-2 | |||
| Warlock (2nd) | GWR | 4-2-2 | |||
| Warrior | GWR | 0-6-0 | |||
| Warspite | LMS 5724 | 4-6-0 | |||
| Warwick Castle | GWR 4081 | 4-6-0 | |||
| Warwickshire | LNER 320 | 4-4-0 | |||
| Wasp | GWR | 2-4-0T | |||
| Watcombe Hall | GWR 4977 | 4-6-0 | |||
| Watt | GWR | 2-4-0 | |||
| Waverley | GWR | 4-4-0 | |||
| Wear | GWR | 0-6-0 | |||
| Weasel | SDR | 0-4-0WT | |||
| Welbeck Abbey | LNER 2819 | 4-6-0 | |||
| Wellington | GWR | 0-6-0 | |||
| Wellington | GWR 5075 | 4-6-0 | |||
| Wellington | SR 902 | 4-4-0 | |||
| Welsh Guardsman | LMS 6117 | 4-6-0 | |||
| Wemyss | LMS 5648 | 4-6-0 | |||
| West Ham United | LNER 2872 | 4-6-0 | |||
| Western Australia | LMS 5568 | 4-6-0 | |||
| Western Star | BR 70025 | Crewe | 9/1952 | 4-6-2 | Wd 12/1967; scr 1/1968. |
| Western Star | GWR | 2-2-2 | |||
| Westminster | SR 908 | 4-4-0 | |||
| Westminster Abbey | GWR 5089 | 4-6-0 | |||
| Westminster Hall | GWR 5917 | 4-6-0 | |||
| Westmorland | LNER 2760 | 4-4-0 | |||
| Westward Ho | BR 34036 | 4-6-2 | |||
| Westwood Hall | GWR 4978 | 4-6-0 | |||
| Whetham | GWR | 0-6-0T | |||
| Whitbourne Hall | GWR 5940 | 4-6-0 | |||
| Whitgift | SR 916 | 4-4-0 | |||
| Whittington Castle | GWR 5021 | 4-6-0 | |||
| Whitwell | SR 26 | 0-4-4T | Operated on the Isle of Wight | ||
| Wick Hall | GWR 5995 | 4-6-0 | |||
| Wickwar | B&GR | 2-2-2 | |||
| Wigmore Castle | GWR 5022 | 4-6-0 | |||
| Wild Fire | GWR | 2-2-2 | |||
| Wild Swan | LNER 4467 | 4-6-2 | |||
| William Shakespeare | BR 70004 | Crewe | 3/1951 | 4-6-2 | Wd 12/1967; scr 4/1968. |
| William Whitelaw | LNER 4462 | 4-6-2 | |||
| William Wordsworth | BR 70030 | Crewe | 11/1952 | 4-6-2 | Wd 7/1966; scr 1/1967. |
| Wimpole Hall | GWR 5963 | 4-6-0 | |||
| Winchester | SR 901 | 4-4-0 | |||
| Winchester Castle | GWR 5042 | 4-6-0 | |||
| Windsor | GWR | 0-6-0 | |||
| Windsor Castle | GWR 4082 | 4-6-0 | |||
| Windsor Lad | LNER 2500 | 4-6-2 | |||
| Windward Islands | LMS 5637 | 4-6-0 | |||
| Winnipeg | GWR 3400 | 4-4-0 | |||
| Winslow Hall | GWR 5975 | 4-6-0 | |||
| Winston Churchill | RH&DR 9 | Yorkshire | 1931 | 4-6-2 | Ex-Doctor Syn 1948; out of service awaiting overhaul as of 2009. |
| Witch | GWR | 2-2-2 | |||
| Wizard | GWR | 4-2-2 | |||
| Wizard of the Moor | LNER 6391 | 4-4-0 | |||
| Wolf | GWR | 2-2-2 | |||
| Wolf | SDR | 4-4-0ST | |||
| Wolf of Badenoch | LNER 2006 | 2-8-2 | |||
| Wollaton Hall | GWR 5999 | 4-6-0 | |||
| Wolseley Hall | GWR 5964 | 4-6-0 | |||
| Wolverhampton | GWR | 0-6-0 | |||
| Wood | GWR | 2-4-0 | |||
| Woodbastwick Hall | LNER 2813 | 4-6-0 | |||
| Woodcock | LNER 4493 | 4-6-2 | |||
| Woollas Halls | GWR 5965 | 4-6-0 | |||
| Woolston Grange | GWR 6858 | 4-6-0 | |||
| Woolwinder | LNER 2554 | 4-6-2 | |||
| Wootton Hall | GWR 4979 | 4-6-0 | |||
| Worsley Hall | GWR 5919 | 4-6-0 | |||
| Worsley-Taylor | LNER 5438 | 4-4-0 | |||
| Wrottesley Hall | GWR 4980 | 4-6-0 | |||
| Wroxall | SR 4 | 4-4-0 | Operated on the Isle of Wight | ||
| Wycliffe Hall | GWR 5920 | 4-6-0 | |||
| Wye | GWR | 0-6-0 | |||
| Wynyard Park | LNER 2818 | 4-6-0 |