Cognomen Surojo (Surojo 
) , all over the world, is a rare family name. The cognomen Surojo is habitual in Indonesia, where it is a rare surname, Malaysia, where it is a very rare surname, and Nigeria, where it is an extremely rare surname. Measured by absolute frequency, it is the most numerous in Indonesia, China, and Malaysia. Likewise, Surojo is the forename as well as the last name.