All over the world, Bertlin (Bertlin 
) is a very rare gender-neutral given name. The first name Bertlin is habitual in South-eastern Asia, particularly Philippines, where it is a very rare gender-neutral name. More prevalently, Bertlin is the last name as well as the forename.
Mr, Peter, Piers, Robin, David, Leroy, James, Jakob, Johan, Tommy, Trish, Traci, Erick, Oskar, Marcus, Sharon, Albert, Anders, Anneli, Annika, Debbie, Daniel, Kitty, Kevin, Kathy, Bryan, Ms, Max, Roy, Ove, Mary, Sven, Alex, Alan, Anna, Carl, Linnea, Paul, Jimi, Tina, Eric, Emil, Emma, Maria, Sally, Simon, Bengt, Brian, John, and Johnny