- PRICHARD, CARADOG (1904 - 1980), novelist and poet
- PRICHARD, CATHERINE JANE (1842 - 1909), poet - see PRYSE, ROBERT JOHN
- PRICHARD, ELIZABETH (1748 - 1826) - see HARRIS, HOWELL
- PRICHARD, JAMES COWLES (1786 - 1848), physician - see PRICHARD, THOMAS
- PRICHARD, JOHN (1796 - 1875), Baptist minister and tutor
- PRICHARD, JOHN (1821 - 1889), Calvinistic Methodist minister, and author
- PRICHARD, JOHN (1817 - 1886), architect
- PRICHARD, JOHN WILLIAM (1749 - 1829), man of letters
- PRICHARD, MORRIS - see MORRIS, MORRIS ap RHISIART
- PRICHARD, RHYS (Yr Hen Ficer; 1579? - 1644), cleric and poet
- PRICHARD, RICHARD (1811 - 1882), Wesleyan minister
- PRICHARD, ROWLAND HUW (1812 - 1887), musician
- PRICHARD, THOMAS (1764 - 1843), author
- PRICHARD, THOMAS JEFFERY LLEWELYN (d. 1875?), travelling actor and author
- PRICHARD, WILLIAM (1702 - 1773), early North Wales Nonconformist
- PRICHARD, WILLIAM (d. 1713), Particular Baptist
- PRIF ARWYDDFARDD MÔN - see JONES, BENJAMIN
- PRISIART, JOHN WILLIAM - see PRICHARD, JOHN WILLIAM
- PRITCHARD, CHARLES MEYRICK (1882 - 1916), Wales and Newport Rugby forward
- PRITCHARD, EDWARD (1839 - 1900) Selly Oak, civil engineer
- PRITCHARD, EVAN (Ieuan Lleyn; 1769 - 1832), poet
- PRITCHARD, JOHN THOMAS (1859 - 1890), musician
- PRITCHARD, MICHAEL (c. 1709 - 1733), poet
- PRITCHARD, ROBERT (fl. 1730-1738), poet and master mariner
- PRITCHARD, ROWLAND HUW - see PRICHARD, ROWLAND HUW
- PRITCHETT family, clerical family
- PROBERT, ARTHUR REGINALD (1909 - 1975), Labour politician
- PROBERT, LEWIS (1837 - 1908), Independent minister and college principal
- PROBERT, WILLIAM (1790 - 1870), Unitarian minister and author
- PRODGER, Wern-ddu, Gwern-vale Llandeilo-bertholau, Crick-howell - see PROGER
- PROGER family
- PROGERS, Wern-ddu, Gwern-vale Llandeilo-bertholau, Crick-howell - see PROGER
- PROPERT, JOHN (1793 - 1867), physician, founder of the Medical Benevolent College, Epsom
- PROSSER, DAVID LEWIS (1868 - 1950), archbishop
- PROTHERO, CLIFFORD (1898 - 1990), organiser of the Labour Party in Wales
- PROTHERO, THOMAS (1780 - 1853), solicitor, colliery proprietor, and influential citizen
- PROTHEROE, DANIEL (1866 - 1934), musician
- PRYCE family Newtown Hall,
- PRYCE, ARTHUR IVOR (1867 - 1940), antiquary - see PRYCE, JOHN
- PRYCE, FREDERICK NORMAN (1888 - 1953), museum curator
- PRYCE, JOHN (1828 - 1903), dean of Bangor
- PRYCE, SHADRACH (1833 - 1914), dean of St Asaph - see PRYCE, JOHN
- PRYCE, THOMAS (1833 - 1904), antiquary
- PRYCE, THOMAS MALDWYN (1949 - 1977), racing driver
- PRYCE-JONES, Sir PRYCE (1834 - 1920), pioneer of mail order business
- PRYDDERCH, RHYS (1620? - 1699), Independent minister and schoolmaster
- PRYDYDD BYCHAN, Y (fl. 1220-1270) South Wales, a poet
- PRYDYDD Y MOCH - see LLYWARCH ap LLYWELYN
- PRYS, EDMUND - see PRYS, EDMWND
- PRYS, EDMWND (1544 - 1623), archdeacon of Merioneth, and poet