Sir Nigel Gresley (1726–1787)
Artist Henry Pickering
Location National Museum Cardiff
Genres Portrait
Sir Noah Thomas (1720–1792)
Artist George Romney
Location St John's College
Year 1781
Genres Portrait
Sir Oliver Cromwell (1563–1655)
Artist Hieronimo Custodis
Location Cromwell Museum
Year 1589
Genres Portrait
Sir Oliver Joseph Lodge
Artist George Reid
Location National Portrait Gallery
Year 1907
Genres Portrait
Sir Oliver Lodge (1851–1940), FRS, Principal
Artist George Reid
Location University of Birmingham
Genres Portrait
Sir Orlando Bridgeman (1606–1674), 1st Bt, Lord Keeper of the Great Seal
Artist John Riley
Location Weston Park
Genres Portrait
Sir Orlando Bridgeman (1695–1764), 4th Baronet
Artist John Vanderbank
Location Weston Park
Genres Portrait
Sir Orlando Bridgeman, 1st Bt (1609-74)
Artist Pieter Borsseler
Location Chirk Castle
Year 1670
Genres Portrait
Sir Oscar Clayton (1816–1892)
Artist Frederick Goodall
Location Hunterian Museum
Year 1890
Genres Portrait
Sir Patrick Heron Watson (1832–1907), FRCSEd (1855), PRCSEd (1877–1879 & 1905)
Artist George Reid
Location Royal College of Surgeons of Edinburgh
Year 1894
Genres Portrait
Sir Patrick Home of Lumsden
Artist John Scougal
Location Paxton House
Sir Patrick Hume, 1st Earl of Marchmont, 1641 - 1724. Statesman
Artist William Aikman
Location Scottish National Portrait Gallery
Year 1720
Genres Portrait
Sir Patrick Inglis, 5th Bart of Cramond (died 1817)
Artist Henry Raeburn
Location Scottish National Gallery
Year 1790
Genres Portrait
Sir Paul Fildes
Artist Luke Fildes
Location National Portrait Gallery
Year 1919
Genres Portrait
Sir Paul Menzies of Kinmundy
Artist George Jamesone
Location University of Aberdeen
Year 1620
Sir Peregrine Maitland
Artist William Salter
Location National Portrait Gallery
Year 1830s
Genres Portrait
Sir Peter Byrne Leicester (1732–1770), Bt
Artist Joshua Reynolds
Location Tabley House
Year 1750
Genres Portrait
Sir Peter Byrne Leicester (1732–1770), Bt
Artist Francis Cotes
Location Tabley House
Year 1769
Genres Portrait
Sir Peter Carew (1514 - 1575)
Artist Gerlach Flicke
Location Scottish National Gallery
Year 16 centiury
Genres Portrait
Sir Peter Fairbairn (1799–1861), Mayor (1857 & 1858) (fragment)
Artist Francis Grant
Location Leeds Civic Hall
Year 19 centiury
Genres Portrait
Sir Peter Francis Bourgeoi
Artist James Northcote
Location Dulwich Picture Gallery
Year 18 centiury
Genres Portrait
Sir Peter Francis Bourgeois
Artist William Beechey
Location National Portrait Gallery
Year 1810
Genres Portrait
Sir Peter Halkett Wedderburn, 1st Bart of Pitfirrane and Gosford (c 1659 - 1746)
Artist Allan Ramsay
Location Scottish National Gallery
Year 1746
Genres Portrait
Sir Peter Leicester (1614–1678), Bt
Artist Peter Lely
Location Tabley House
Genres Portrait
Sir Peter Lely
Artist Peter Lely
Location National Portrait Gallery
Year 1660
Genres Self-Portrait
Sir Peter Lely (1618–1680) and Hugh May (1621–1684)
Artist Peter Lely
Location Audley End House
Year 1675
Genres Portrait
Sir Peter Parker Bt, 1721-1811, Admiral of the Fleet
Artist Lemuel Francis Abbott
Location National Maritime Museum
Year 1799
Genres Portrait
Sir Peter Teazle
Artist Laslett John Pott
Location Sheffield Galleries and Museums Trust
'Sir Peter Teazle'
Artist John Nost Sartorius
Location National Horseracing Museum
Year 1788
Genres Animal Art
Sir Peter Thompson (1698–1770)
Artist Thomas Frye
Location Poole Museum
Year 1750
Genres Portrait