Worldwide, Fless (Fless , Флесс ) is an extremely rare girly forename. Much more frequently, Fless is the last name as well as the forename.
Flask, Flaska, Flaxe, Fleß, and Флёсс
Ms, Richard, Kristin, Andreas, Solveig, Shannon, Michael, Martina, Zuzana, Harald, Rachid, Kjetil, Callan, Helen, Hazel, David, Cathy, Scott, Hans, Elek, Kari, Adam, Roo, Kim, Samantha, and Wilfried
, Флесс 
) is an extremely rare girly forename. Much more frequently, Fless is the last name as well as the forename.