Jean Plichon (14 June 1863 – 22 September 1936) was a French industrialist and politician.
He trained as a mining engineer.
When his father died in 1888 he inherited the presidency of the Bethune mining company and also replaced his father as deputy for the Nord department.
He remained head of the Bethune mining company and a member of the legislature or senate for most of the remainder of his life.
He advocated protectionist policies throughout his career.