Last name 西贝拉 (Sibera 
, 西贝拉 
) , throughout the world, is a rare cognomen. The cognomen 西贝拉 is habitual in Sri Lanka, where it is quite a rare surname, Czechia, where it is a rare surname, and Austria. Measured by absolute frequency, the name is most common in Sri Lanka, Czechia, and Poland. Also, 西贝拉 is the forename as well as the last name.