Across the world, Vadem (Vadem 
) is a very rare unisex first name. More prevalently, Vadem is the last name as well as the forename.
Mr, Ms, Marte, Astrid, Munemma, Sumathi, Chandra, Joidane, Chengaiah, Chenchaiah, Ramachadraiah, Venkatakishtaiah, and Venkatakrishnaiah