Oswaldo

Oswaldo (Spanish for "Oswald") is a Spanish masculine given name.

It may refer to:
 * Oswaldo Buzzoni (1924–1988), Brazilian footballer
 * Oswaldo Castillo, Nicaraguan-American gardener/construction worker-turned-actor
 * Oswaldo Cruz (1872–1917), Brazilian physician, bacteriologist, epidemiologist and public health officer
 * Oswaldo Cruz Filho, Brazilian chess master
 * Oswaldo de la Cruz, Peruvian politician and a Congressman
 * Oswaldo de Oliveira (born 1950), Brazilian football manager
 * Oswaldo de Rivero (born 1936), Peruvian career diplomat
 * Rubén Oswaldo Díaz (1946–2018), former Argentine footballer
 * Carlos Fernández (footballer, born 1984) (born 1984), Peruvian footballer
 * Oswaldo Frota-Pessoa (1917–2010), Brazilian physician, biologist and geneticist
 * Oswaldo Goeldi (1895–1961), Brazilian artist and engraver
 * Oswaldo Guayasamín (1919–1999), Quechua Indian and Ecuadorian painter and sculptor
 * Oswaldo Handro (1908–1986), Brazilian botanist, specialist in pteridophytes and spermatophytes
 * Oswaldo Henríquez (born 1989), Colombian football defender
 * Oswaldo Ibarra (born 1969), Ecuadorian football player and goalkeeper
 * Oswaldo López Arellano (1921–2010), President of Honduras, 1963–1971, 1972–1975
 * Oswaldo Louzada (1912–2008), Brazilian actor
 * Oswaldo Luizar (born 1962), Peruvian politician
 * Oswaldo Mairena (born 1975), baseball player
 * Oswaldo Minda (born 1983), Ecuadorian footballer
 * Oswaldo Moncayo (1923–1984), Ecuadorian painter
 * Oswaldo Montenegro (born 1956), Brazilian musician
 * Oswaldo Navarro (born 1984), Venezuelan baseball player
 * Oswaldo Payá (1952–2012), political activist and dissident in Cuba
 * Oswaldo Peraza (born 1962), baseball player
 * Oswaldo Ramírez (born 1947), former Peruvian football striker
 * Oswaldo Sánchez (born 1973), Mexican international goalkeeper
 * Oswaldo Viteri (born 1931), neo-figurative artist
 * Oswaldo Zambrana (born 1981), Bolivian chess master
 * Oswaldo (footballer), full name Oswaldo Alfredo de Lima Gonçalves (born 1992), Brazilian footballer