Around the world, Koach (Koach 
) is an extremely rare epicene first name. Predominantly, Koach is the last name as well as the forename.
Ed, Tony, Nate, Eric, Evan, Yuko, Marie, Marge, Sarah, Stacy, Scott, Anton, Annie, Colin, Barry, Brian, Brice, Bruce, Karen, Kayla, Kevin, Kraig, John, Peggy, Jane, Gail, Sri, Ann, Kay, Ken, Leo, Wes, Mary, Mark, Miku, Sean, Anna, Carl, Clay, Brad, Bill, Kyle, Rino, Rita, Dani, Gary, Gale, Loyd, and Randy