Orange Merwin (April 7, 1777 – September 4, 1853) was a United States representative from Connecticut.
He was born in Merryall, Connecticut and attended the common schools.
He was also a member of the committee of twenty-four to draft the state constitution.
He resumed agricultural pursuits and was an unsuccessful candidate for Lieutenant Governor of Connecticut in 1831.
He died in New Milford, Connecticut in 1853 and was buried in Center Cemetery.