Surname Обаси (Obasi 
, Обаси, 小橋) , worldwide, is a common family name. The family name Обаси is characteristic of Sub-Saharan Africa, particularly Nigeria, where it is quite a common surname, Gabon, where it is quite a rare surname, and Niger. Measured by absolute frequency, it is commonest in Sub-Saharan Africa, particularly Nigeria, Niger, and Cameroon. Likewise, Обаси is the forename as well as the last name.