Around the globe, Sibelius (Sibbe 
, Sibelius 
) is a rare principally masculine, but very infrequently female first name. The forename Sibelius is habitual in Sweden, where it is a rare masculine name, Brazil, where it is a very rare boy's name, and India, where it is an extremely rare dominantly masculine, but infrequently female name. Measured by absolute frequency, it most frequently occurs in India, Brazil, and China. Likewise, Sibelius is the last name as well as the forename.