Arrillaga

Arrillaga is a surname. Notable people include:


 * Blanca Renée Arrillaga (1917–2011), Uruguayan chemist, botanist, professor and agrostologist
 * Eduardo Arrillaga (born 1961), Mexican rower
 * John Arrillaga (1937–2022), American real estate billionaire
 * José Joaquín de Arrillaga, seventh (1792–1794) and tenth (1800–1814) governor of Alta California
 * Laura Arrillaga-Andreessen, American philanthropist, daughter of John
 * Maria Arrillaga, Puerto Rican poet