Arnoldo

Arnoldo is a masculine given name. Notable people with the name include:

First name

 * Arnoldo Alemán (born 1946), Nicaraguan politician
 * Arnoldo José Avilés García (born 1968), Honduran politician
 * Arnoldo Camu (1937–1973), Chilean lawyer and political activist
 * Arnoldo Castillo (1922–2005), Argentine politician
 * Arnoldo Ferreto, Costa Rican politician
 * Arnoldo Foà (1916–2014), Italian actor
 * Arnoldo Frigessi (born 1959), Italian statistician and academic
 * Arnoldo Gabaldón (1909–1990), Venezuelan physician and politician
 * Arnoldo Granella (1939–2022), French football player
 * Arnoldo Herrera (born 1996), Costa Rican swimmer
 * Arnoldo Iguarán (born 1957), Colombian football player
 * Arnoldo Jimenez (born 1982), American fugitive
 * Arnoldo López Echandi, Costa Rican politician
 * Arnoldo Martínez Verdugo (1925–2013), Mexican politician
 * Arnaldo Momigliano (1908–1987), Italian historian
 * Arnoldo Mondadori (1889–1971), Italian publisher
 * Arnoldo Ochoa González (born 1951), Mexican politician
 * Arnoldo Parés (born 1922), Argentine boxer
 * Arnoldo Pekelharing (1936–2001), Argentine sailor
 * Arnoldo Penzkofer (1959–2008), Paraguayan basketball player.
 * Arnoldo Rábago (born 1942), Mexican sailor
 * Arnoldo Sartorio (1853–1936), German composer
 * Arnoldo André Tinoco, Costa Rican politician
 * Arnoldo Torres, American journalist

Middle name

 * Adolfo Arnoldo Majano (born 1938), Salvadoran military and political figure