Cognomen Njiwa (Njiwa 
) , all over the world, is quite a rare surname. The surname Njiwa is habitual in Sub-Saharan Africa, particularly Tanzania, where it is quite a rare surname, Malawi, and Cameroon. Very seldom, Njiwa is the forename as well as the last name.
Ben, Kamila, Koleta, Prisca, Daniel, Najoua, Hamisi, Halima, Hemedi, Imelda, Xolani, Magreth, Mabvuto, Charles, Busiswa, Patrick, Pyerina, Raymond, Gilbert, Jackson, Josiane, Fadhili, Baraka, Fortlunatus, Aurola, Shaban, Guy, Rose, Emma, Moses, Salma, Amina, Boris, Paule, David, Limam, James, Jules, Tecla, Najwa, Nejwa, Enock, Emily, Isaac, Mariam, Marcel, Samuel, Sprian, and Wilbert