Marietou is of West African origin, specifically from the Wolof ethnic group in Senegal and Gambia. It is a feminine given name that means 'pearl' in Wolof language. The name has gained popularity beyond its region of origin and can now be found among communities with connections to West Africa around the world.
The name Marietou has seen a fluctuating number of births over the years, with peaks in 2010 (7 births), 2013 and 2014 (both 9 births), and a noticeable gap between 2011 and 2012. The total number of births recorded for Marietou from 2009 to 2019 is 40.