- teulu PUW Penrhyn Creuddyn,
- PUW, ROBERT (1609 - 1679), awdur - gweler PUW
- PUW, SION (1620 - 1645), Pabydd - gweler PUW
- PWYNTIL MEIRION - gweler EDWARDS, JOHN KELT
- PYLL - gweler JONES, JOHN
- PYLL GLAN CONWY - gweler JONES, JOHN
- PYRKE, JOHN (1755 - 1834), trydydd gwneuthurwr gwaith japan ym Mrynbuga