Worldwide, Hagdon (Hagdon 
) is an extremely rare masculine forename. Much more prevalently, Hagdon is the last name as well as the forename.
Ana, Jonas, Julia, Nancy, Nelci, Neldi, Neldo, Erika, Efren, Villi, Vitor, Osmar, Marcia, Mateus, Milton, Sanlai, Samuel, Sidnei, Suzana, Amanda, Ademir, Ademar, Jaime, Lucas, Lauan, Dirce, Lee, Alex, Baby, Luis, Neli, Neri, Earl, Voni, Iris, Ildo, Adinei, Maria, Adair, Carol, Claci, Cilia, Betty, Brian, Paulo, Pablo, Ramon, Diego, Allen, and Adimir