Around the world, Portius (Portius 
) is a very rare male forename. Much more prevalently, Portius is the last name as well as the forename.
Mr, Thomas, Nicole, Ingrid, Ionutz, Claudia, Karsten, Kathrin, Roberto, Denisse, Dolores, Grigore, Günter, Jürgen, Irmgard, Ignacio, Wiltrud, Matthias, Mauricio, Cristian, Patricio, Reinhard, Judith, Rüdiger, Regina, César, Ms, Ute, Uwe, Sven, Paul, Rolf, Ruth, Gerd, Jens, Nils, Mirco, Simon, Katja, Klaus, Peter, David, Joyce, Heiko, Horst, Sascha, Stefan, Rainer, and Nathalie