Surname Theophin (Theophin 
) , throughout the world, is a very rare last name. The surname Theophin is habitual in France, where it is a very rare surname, the United States, where it is an extremely rare surname, and Nigeria. Not in comparison with a country's population, it is the most numerous in France, the United States, and India. Very seldom, Theophin is the forename as well as the last name.