Last name Kotama (Kotama 
) , all around the world, is a rare cognomen. The surname Kotama is habitual in Oman, where it is quite a rare surname, Thailand, where it is a rare surname, and Algeria, where it is a very rare surname. Measured by absolute frequency, the name is most common in Thailand, Indonesia, and Oman. Likewise, Kotama is the forename as well as the last name.