| SL0905 | HARVEY Ian | Walton Community Library | 30/10/2015 | 30/10/2015 | indefinite |
| SL1079 | HAWKHEAD Zoey | South Ossett Baptist Church | 26/08/2025 | 16/08/2025 | indefinite |
| SL0024 | HAYMAN Sharon | Wakefield Sea Cadets | 20/03/2018 | 09/03/2018 | indefinite |
| SL0053 | HEATON-JENNINGS James | Pennine Camphill Community | 08/07/2024 | 08/07/2024 | indefinite |
| SL0071 | HEPTINSTALL Cath | South Parade Primary School | 10/06/2025 | 10/06/2025 | indefinite |
| SL0874 | HEPWORTH Jo | Pontefract, Castleford & Knottingley Constituency Labour Party | 03/06/2024 | 03/06/2024 | indefinite |
| SL0023 | HOROBIN Ian | Kinsley Boys Football Club | 17/03/2023 | 17/03/2023 | indefinite |
| SL0020 | HUDSON Alison | Airedale Baby & Childrens Bank | 13/03/2024 | 13/03/2024 | indefinite |
| SL0820 | HUGHES Linda | Howard School Association (HSA) | 21/09/2017 | 11/10/2012 | indefinite |
| SL0018 | HYDE Lorinda Margaret | St Helen's Parish Centre | 08/03/2024 | 08/03/2024 | indefinite |