Family name Регис (Regis 
, Регис 
) , in all the world, is a common cognomen. The family name Регис is habitual in Latin America and the Caribbean, particularly Saint Lucia, where it is a common surname, Grenada, and Trinidad and Tobago, where it is quite a common surname (explore the name in all countries). Not in comparison with a country's population, it is the most numerous in Brazil, Philippines, and France. Also, Регис is the forename as well as the last name.