Last name Janudin (Janudin 
) , worldwide, is a rare cognomen. The family name Janudin is characteristic of South-eastern Asia, particularly Brunei, where it is quite a rare surname, Malaysia, and Indonesia, where it is a very rare surname. Not in comparison with a country's population, it most frequently occurs in Malaysia, Indonesia, and India. Likewise, Janudin is the forename as well as the last name.