Cognomen סיידו (Seydou 
, Seidu 
, Seydu 
) , throughout the world, is a common family name. The family name סיידו is habitual in Sub-Saharan Africa, particularly Ghana, where it is a common surname, Mali, where it is quite a common surname, and Ivory Coast (explore the name in all countries). Measured by absolute frequency, it is commonest in Sub-Saharan Africa, particularly Ghana, Nigeria, and Mali. Likewise, סיידו is the forename as well as the last name.