All over the world, Coteau (Coteau 
) is an extremely rare masculine first name. Much more prevalently, Coteau is the last name as well as the forename.
Du, Pierre, Denise, Leslie, Lionel, Tendai, Nadine, Nicole, Nyasha, Edwige, Odires, Yvette, Michael, Shanice, Shereen, Shirlyn, Anthony, Annette, Aneysha, Carlyle, Richard, Latifah, Kimlyn, Cheryl, Stefon, Sophie, Le, Sky, Bis, Alex, Ryan, Dawn, Leon, Lisa, Lori, Eric, Lynette, Marie, Carol, Donna, James, Jerry, Nolan, Wayne, Yvel-Nina, Martin, Moriba, Shalyn, Adina, and Natasha