John Coysh was an English stage actor of the seventeenth century.
He was a member of the King's Company, based at the Theatre Royal, Drury Lane.
He first headed a nursery of young actors at Hatton Garden, including the future star Sarah Cooke.
The playwright Elkanah Settle helped produced drolls for the group to perform.
However his career on the London stage appears to have ended with the creation of the merged United Company in 1682.