In all the world, 斯涵 (Sihan 
, 斯涵 ) is quite a rare epicene forename. The forename 斯涵 is habitual in Qatar, where it is quite a rare male name, Albania, where it is a rare female name, and Sri Lanka, where it is a rare boy's name. Measured by absolute frequency, the name is most common in China, India, and Indonesia. Much more prevalently, 斯涵 is the last name as well as the forename.