Jedediah Slason Carvell (16 March 1832 – 14 February 1894) was a Canadian businessman, politician, and office holder.
From 1877 to 1878, he was the sixth Mayor of Charlottetown. He was also Spain's vice-consul in Prince Edward Island.
In 1879, he was summoned to the Senate of Canada representing the senatorial division of Charlottetown, Prince Edward Island. A Conservative, he resigned in 1889 when he was appointed the fifth Lieutenant Governor of Prince Edward Island. He served until his death in 1894.