Throughout the world, Seley (Seley 
) is a very rare unisex forename. More prevalently, Seley is the last name as well as the forename.
Ms, Anel, Chad, Brad, Paul, Rose, Ruth, Ryan, Dale, Doug, Gary, Greg, Lisa, Lori, Lois, Lyle, Jane, Jake, Josh, John, Joan, Joey, Anne, Jean, Anna, Alex, Sy, Ana, Ann, Amy, Kay, Ray, Ron, Don, Lin, Jon, Joe, Joy, Jen, Jim, Tom, Marc, Mary, Mark, Momo, Mike, Sean, Alan, and Jeff