Surname Samuilo (Samuilo 
, Самуйло 
, Самуило ) , around the globe, is a rare cognomen. The family name Samuilo is characteristic of Belarus, where it is a rare surname, Ukraine, where it is a very rare surname, and Kazakhstan. Not in comparison with a country's population, it is commonest in Eastern Europe, particularly Belarus, Ukraine, and Russia. Much less frequently, Samuilo is the forename as well as the last name.