All around the world, Koecke (Koecke 
) is an extremely rare unknown gender given name. Much more prevalently, Koecke is the last name as well as the forename.
Mr, David, Donna, Lorna, Jacob, Jason, Joyce, Tonya, Nancy, Emily, Ethan, Horst, Felix, Steven, Calvin, Connie, Kathie, Rainer, Robert, Dwayne, Janice, Joshua, Roger, Thomas, Randy, Bryon, Ms, Lee, Tom, Zoe, Curt, Kera, Paul, Ryan, Dean, Dawn, Gail, Lyle, Jake, Eric, Erin, Marie, Sarah, Susan, Allen, April, Bryan, Kathy, and Tracey