Worldwide, Sieda (สีดา 
, Sieda 
) is quite a rare largely feminine, but infrequently masculine first name. The first name Sieda is habitual in Thailand, where it is quite a rare mostly female, but seldom male name, Georgia, where it is a rare largely feminine, but uncommonly male name, and Ethiopia, where it is a rare female name. Measured by absolute frequency, it is the most numerous in Thailand, Ethiopia, and Sudan. Likewise, Sieda is the last name as well as the forename.