Across the world, Sekijima (Sekijima 
) is an extremely rare unknown gender first name. Predominantly, Sekijima is the last name as well as the forename.
Ms, Hilda, Yasuo, Mariea, Marcos, Marcia, Misaki, Sergio, Angelo, Arturo, Amanda, Robert, Daniel, Jolene, Juliet, Tomoko, Harumy, Harper, Marissa, Cecilia, Darlene, Margaret, Elena, Neusa, Nancy, Jayna, Ken, Matt, Saho, Dale, Lori, Luiz, John, Elza, Morio, Megan, Terukazu, Sally, Serie, Akemi, Celia, Kenji, Pedro, Roger, Diogo, Donna, Lucia, Janet, Sarah, and Constance