Throughout the world, Allenberg (Allenberg 
) is an extremely rare boy's first name. Predominantly, Allenberg is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Allenberg | South Africa, United States, Sweden, Denmark, Germany |
Mr, Alice, Andre, Achim, Bernd, Brian, Brent, Kathy, Keith, Denis, Larry, Jason, Jesse, Jessy, Jenny, Jules, Trine, Traci, Hanne, Henry, Heike, Frank, Scott, Fritz, Staci, Simon, Ms, Ann, Jan, Sean, Sven, Andy, Adam, Cary, Kurt, Rick, Lena, Lila, Jack, Josh, John, Judy, Hans, Fred, Sandy, Sarah, Shawn, Susan, and Fiona