| Oak, The | Mill Lane, South Elmsall, Pontefract, West Yorkshire, WF9 2DT |
| Odyssey | 46 Upper Kirkgate, Wakefield, West Yorkshire, WF1 1TQ |
| OE Charity Fundraising Society | OE Electrics Limited, OE House, Thomas Maddison Lane, Wakefield, West Yorkshire, WF4 3GH |
| Old Castle | 13 Micklegate, Pontefract, West Yorkshire, WF8 1QG |
| Old Church Tavern | North Baileygate, Pontefract, West Yorkshire, WF8 1ES |
| Old Halfway House | 141 Westfield Road, Horbury, Wakefield, West Yorkshire, WF4 6ET |
| Old Malt Shovel, The | 270 Wakefield Road, Roundwood, Ossett, Wakefield, West Yorkshire, WF5 9AB |
| Old Mill, The | Lock Lane, Castleford, West Yorkshire, WF10 2LA |
| Old Print Works | 107A Westgate, Wakefield, West Yorkshire, WF1 1EL |
| Old Sharlston Cricket Club | 52-54 Weeland Road, Sharslton, Wakefield, West Yorkshire |
