Around the world, Isaah (Isaah 
) is a rare largely boy's, but uncommonly girly given name. The first name Isaah is characteristic of Sub-Saharan Africa, particularly Ghana, where it is quite a rare boy's name, Nigeria, where it is a rare gender-neutral name, and South Africa, where it is a very rare masculine name. In absolute terms, the name is most common in Ghana, Nigeria, and the United States. Likewise, Isaah is the last name as well as the forename.