Worldwide, Duffe (Duffe 
) is a very rare gender-neutral first name. The first name Duffe is habitual in Latin America and the Caribbean, particularly Peru, where it is a very rare gender-neutral name. Much more frequently, Duffe is the last name as well as the forename.
Mr, Leon, Leah, Lexi, Jack, John, Jodi, Jean, Judy, Tina, Gerd, Erin, Iris, Zeta, Marco, Mandy, Megan, Mirko, Sandy, Susan, Scott, Faye, Gail, Gary, Ryan, Ms, Sue, Ann, Rod, Ron, Joy, Jim, Tom, Ian, Marc, Mary, Mike, Anne, Aura, Axel, Cira, Brad, Kate, Kyle, Paul, Ralf, Slade, and Allan