Cognomen Joash (Joash 
) , throughout the world, is quite a rare last name. The surname Joash is characteristic of Sub-Saharan Africa, particularly Kenya, where it is quite a rare surname, Tanzania, and Uganda, where it is a rare surname. More frequently, Joash is the forename as well as the last name.
Ng, Chetty, Pillay, Daniel, Garcia, Joseph, Thomas, Tubaga, Naidoo, Farlow, Omondi, Moodley, Charles, Prakash, Jayaraj, Johnson, Naicker, Ochieng, Moonsamy, Govender, Gonsalves, Loganathan, Samuel, Santos, Mapphy, Mathew, Ang, Goh, Lee, Lim, Tan, Ong, Chan, Chua, Paul, John, Abraham Thomas, Nair, Wong, Singh, Chong, Bloom, Reddy, David, Dukes, Jacob, James, Osoro, Ward, and Sebastian Raju