John Campbell (September 11, 1765 – June 23, 1828) was a United States representative from Maryland.
Born near Port Tobacco, he studied law and was admitted to the bar and practiced.
He held several local offices and was a member of the Maryland State Senate for three years.
He was judge of the orphans’ court of Charles County.
He died at "Charleston" farm, in Charles County; interment was in the private burying ground on the estate of Daniel Jenifer.