Cognomen Olani (Olani 
) , around the globe, is quite a rare surname. The family name Olani is characteristic of Ethiopia, where it is quite a rare surname, the Democratic Republic of the Congo, where it is a rare surname, and Sweden. Measured by absolute frequency, this name is the most popular in Sub-Saharan Africa, particularly Ethiopia, the Democratic Republic of the Congo, and Nigeria. Also, Olani is the forename as well as the last name.