In the entire world, Diehls (Diehls 
) is an extremely rare unknown gender given name. Much more prevalently, Diehls is the last name as well as the forename.
Mr, Jason, Joyce, Julia, Julie, Marion, Sherri, Andrew, Brenda, Brenna, Pamela, Donald, Joanne, Judith, Thomas, Hayley, Matthew, Shannon, Chelsea, Cordaro, Corinne, Crystal, James, Linda, Larry, Diana, Jan, Tom, Eva, Mary, Matt, Anna, Carl, Kris, Kyle, Paul, Barbara, Dale, Megan, Steve, Stacy, Cheri, Chris, Caleb, Craig, Brian, Kathy, Kerri, Evan, and Karsten