Sir John Osborn, 5th Baronet (3 December 1772-28 August 1848), of Chicksands Priory in Bedfordshire. Member of Parliament for Bedfordshire, 1794-1807; for Cockermouth, 1807-1808; for Queenborough, 1812-1818; again for Bedfordshire, 1818-1820 and for the Wigton Burghs 1821-1824. A Lord of the Admiralty, 1812-1824. Succeeded as fifth baronet, 29 June 1818. Colonel of the Bedfordshire Militia .

|- style="text-align: center;" | width="30%" |Preceded by:
John Lowther | width="40%" style="text-align: center;" |M.P. for Cockermouth
1807—1808 | width="30%" |Succeeded by:
Viscount Lowther

|- style="text-align: center;" | width="30%" |Preceded by:
John Charles Villiers | width="40%" style="text-align: center;" |M.P. for Queenborough
1812—1818 | width="30%" |Succeeded by:
Edmund Phipps

|- style="text-align: center;" | width="30%" |Preceded by:
Francis Pym | width="40%" style="text-align: center;" |M.P. for Bedfordshire
1818—1820 | width="30%" |Succeeded by:
Francis Pym

|- style="text-align: center;" | width="30%" |Preceded by:
James Henry Keith Stewart | width="40%" style="text-align: center;" |M.P. for Wigtown
1821—1824 | width="30%" |Succeeded by:
Nicholas Conyngham Tindal