John Clarke may be: · John Clarke , the co-founder of Rhode Island · John Clarke, the pseudonym adopted by Richard Cromwell after his abdication · John Clarke (1682-1757), dean of Salisbury Cathedral, mathematician, natural philosopher, and younger brother of Samuel Clarke · John Clarke , Canadian political activist and founder of the Ontario Coalition Against Poverty · John Clarke , American poet, (1933-1992) · John Clarke , a General in the Creek American War (1813-14), from Georgia · John Clarke (1781-1852), Hudson's Bay Company fur trader · John Clarke (b.1948), New Zealand/Australian actor/satirist · John Clarke (b.1932), American soap opera actor from Days of Our Lives · John Clarke , In the NSWRL competition · John Clarke , former Blackpool footballer · John Clarke C.M., Canadian mountaineer, explorer and wilderness educator · John Blades Clarke,