All over the world, Kosup (Kosup 
) is an extremely rare masculine first name. More prevalently, Kosup is the last name as well as the forename.
Bert, Andrew, Dennis, Dianne, Donald, Joshua, Jeremy, Emilie, Albert, Violet, Richard, Douglas, Leonard, Chadchai, Courtney, Katherine, Kristopher, Michael, Kreangkrai, Alison, Sumran, Kyle, Lynn, Susan, Scott, Allan, Carol, Craig, Steven, Karen, Debra, Darle, Diane, Janet, Julie, Tanya, Helen, Katie, and Christopher