In all the world, Röttger (Röttger 
) is a very rare masculine forename. The given name Röttger is characteristic of Western Europe, particularly Germany, where it is a very rare boy's name. Much more frequently, Röttger is the last name as well as the forename.
Jo, Rudi, Dani, Daan, Dirk, Gabi, Gerd, Lara, Lars, Leon, Lina, Lisa, Lise, Luca, Jana, Jens, Jing, Theo, Timo, Nico, Nils, Emma, Roel, Rolf, Ralf, Paul, Ben, Kai, Kim, Rik, Jan, Jul, Tim, Udo, Ute, Uwe, Egon, Marc, Mike, Sven, Andy, Anna, Anne, Axel, Clas, Bram, Karl, Kurt, Mark, and Hans