Throughout the world, Nishikai (Nishikai ) is an extremely rare unknown gender forename. Much more frequently, Nishikai is the last name as well as the forename.
Nishigai, Nishimi, Nishiumi, Nisimi, Saikai, Seiki, Нисими, and 西海
Masao, Sadao, Kazuo, Kenji, Jamie, Takeo, Helen, Mamoru, Seiichi, Tennari, and Eikichi
) is an extremely rare unknown gender forename. Much more frequently, Nishikai is the last name as well as the forename.