Around the world, Jentgen (Jentgen 
) is an extremely rare unknown gender first name. Much more prevalently, Jentgen is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Jentgen | Germany, France, Luxembourg, United States, Brazil |
Joe, Lodka, James, Jamie, Julie, Tyler, Sophie, Alexia, Alanna, Claude, Brandi, Pierre, Philip, Robert, Ronald, Laurel, Joseph, Julien, Nicole, Holger, Willya, Martine, Larry, Matthew, Laura, David, Jã, Ian, Mary, Matt, Anna, Karl, Paul, Phil, Rene, Jane, John, Joey, Jeff, Eric, Fred, Maiga, Magda, Anouk, Cathy, Karen, Kevin, Dinah, and Makenna