Surname Reyba (Reyba 
) , all around the world, is a very rare cognomen. The last name Reyba is characteristic of Latin America and the Caribbean, particularly Honduras, where it is a very rare surname, Venezuela, where it is an extremely rare surname, and Mexico. In absolute terms, it is commonest in Mexico, the United States, and Venezuela. Also, Reyba is the forename as well as the last name.