Cognomen Sempai (Sempai 
) , around the world, is a rare surname. The last name Sempai is characteristic of Latin America and the Caribbean, particularly Puerto Rico, where it is quite a rare surname, Panama, where it is a rare surname, and Bolivia. In absolute terms, this name is the most popular in Guatemala, Bolivia, and Indonesia. Very seldom, Sempai is the forename as well as the last name.
Mai, Luis, Jack, Javi, Jose, Joel, Juan, Nico, Niko, Neko, Haru, Hako, Heri, Viko, Vega, Iori, Ossy, Omar, Ocho, Wero, Yato, Yuri, Loli, Godo, Dani, Deku, Max, Ale, Ana, Ann, Leo, Jon, Emi, Manu, Mati, Misa, Yuki, Miku, Seba, Alex, Alan, Andy, Apam, Cloe, Baka, Kuro, Kira, Rito, Mimi, and Yhui