Juaristi is a Basque surname. Notable people with the surname include:
Aitziber Juaristi (born 1976), Spanish footballer Jon Juaristi (born 1951), Spanish writer María Begoña Juaristi (born 1968), Venezuelan model Mariano Juaristi (1904–2001), Spanish Basque pelota player Patxi Juaristi (born 1967), Spanish sociologist, linguist, writer and university professor Vicenta Juaristi Eguino (1780–1857), Bolivian soldier