Throughout the world, Madau (Madau 
) is a rare epicene given name. The first name Madau is characteristic of Italy, where it is a rare dominantly female, but infrequently masculine name, Nigeria, where it is a very rare principally masculine, but very infrequently female name, and South Africa, where it is a very rare gender-neutral name. Measured by absolute frequency, it is commonest in India, Nigeria, and Italy. More prevalently, Madau is the last name as well as the forename.
Mr, Eric, Vale, Vito, Iris, Ivan, Ioan, Olga, Maria, Marie, Nina, Mario, Marco, Mauro, Mirko, Sonia, Alice, Alina, Annie, Ammar, Carlo, Marta, Tito, Tony, Tore, Ana, Dee, Mari, Sara, Aldo, Anna, Arom, Carl, Paul, Pina, Rosa, Rita, Dani, Dinu, Doli, Greg, Lina, Luca, Jose, John, Juan, Carla, and Barna