John Lonsdale (disambiguation)

John Lonsdale (1788–1867) was a British bishop.

John Lonsdale may also refer to:


 * John Lonsdale, 1st Baron Armaghdale (1850–1924), British businessman and politician
 * John Lowther, 1st Viscount Lonsdale (1655–1700), English politician
 * John Lonsdale (historian), Emeritus Professor, University of Cambridge and Africanist
 * John Lonsdale, Australian senior public servant and Chair of APRA