Justo (Spanish pronunciation: ['xus.to]) is a Spanish surname and male given name meaning just, i.e. fair.

Given name

Notable people with this given name include:

• José Justo Corro (1794-1864), Mexican president
• José Justo Milla (1794–1838), Honduran military leader
• Justo Albarracín (born 1951), Argentine equestrian
• Justo Almario (born 1949), Colombian musician
• Justo Figuerola (1770–1854), Peruvian president
• Justo Gallego Martínez (born 1925), Spanish monk
• Justo Giani (born 1999), Argentinian football player
• Justo Jacquet (born 1961), football player
• Justo Jorge Padrón (1943–2021), Spanish poet, essayist and translator
• Justo José de Urquiza (1801–1870), Argentinian general and politician
• Justo L. González (born 1937), Cuban theologist
• Justo Lamas, Argentinian singer
• Justo Lorente (born 1994), Nicaraguan football player
• Justo Pastor Benítez (1897–1963), Paraguayan historian and politician
• Justo Rufino Barrios (1835–1885), Guatemalan politician
• Justo Sierra (1848–1912), Mexican writer
• Justo Tejada (born 1933), Spanish football player
• Dom Justo Takayama (1552–1615), Japanese Christian and samurai
• Justo Villar (born 1977), Paraguayan football player
• Justo de Santa María de Oro (1772–1836), Argentinian statesman and bishop

Surname

Notable people with this surname include:

• Agustín Pedro Justo (1876–1943), Argentinian president
• Alicia Moreau de Justo (1885–1986), Argentinian physician and politician
• Juan B. Justo (1865–1928), Argentinian physician, journalist and politician
• Sara Justo (1870–1941), Argentine women's rights activist and dentist
• Virginia Justo (born 1963), Argentinian chess master
• Charles Justo (1980), Dominican American Actor/Model