Across the world, Sonderup (Sonderup 
) is an extremely rare unknown gender first name. Much more prevalently, Sonderup is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Sonderup | Norway, South Africa, Australia, United States, Denmark |
Mr, Merle, Simon, Steve, Anita, Asker, Chris, Carol, Kathy, Kelly, Kelli, Kerry, Debra, David, Daiva, Dulce, Laura, Jamie, Jason, Julie, Terry, Tracy, Vern, Evin, Nick, Tina, Dan, Lee, Jay, Jon, Joy, Tom, Mary, Mark, Sean, Cola, Wanda, Beth, Keri, Kris, Kyle, Paul, Ryan, Lisa, Jodi, Jean, Judy, Tara, Kate, and Sandra