Melchor Aymerich (born in Ceuta 1754, died in Cuba 1836) was a Spanish general and provincial administrator, serving as the last president of the Royal Audience of Quito from April until May 1822. One of the last Spanish colonial provinces to be overthrown during the final years of the Spanish American wars of independence, he was defeated by rebel General Antonio José de Sucre at the Battle of Pichincha on May 24, 1822, formally surrendering two days later.