Fusituʻa is a surname. Notable people with the surname include:

David Fusitu'a (born 1994), New Zealand rugby league player 'Eseta Fusitu'a, Tongan teacher Siaosi ʻAlokuoʻulu Wycliffe Fusituʻa (1927–2014), Tongan politician

See also Lord Fusituʻa, Tongan noble title