Cognomen シーナ (Sheena 
, Seana 
, シーナ 
) , throughout the world, is quite a rare last name. The last name シーナ is habitual in Maldives, where it is quite a common surname, Lesotho, where it is quite a rare surname, and Mauritius. In absolute terms, the name is most common in India, Indonesia, and the United States. Predominantly, シーナ is the forename as well as the last name.