Ávalos is a Spanish surname. Notable people with the surname include:
Cristiano Ávalos dos Passos (born 1977), Brazilian footballer
Enrique Tovar Ávalos, Mexican film director
Fernando Horácio Ávalos (born 1978), Argentine footballer
José Vicente Rangel Ávalos, the mayor of Sucre Municipality in Venezuela
Juan de Ávalos (1911-2006), Spanish sculptor
John Avalos (born 1964), American politician
Luis Ávalos (1946–2014), Cuban actor
Alejandro Avalo Ferreira (born 1997), Brazilian internationalist
The d'Avalos family were prominent in Renaissance Italy :
Fernando d'Avalos (1489-1525), Marquess of Pescara, won the Battle of Pavia
Alfonso d'Avalos (1502-1546), Italian condottiero and 4th Marquess of Pescara
Francesco Ferdinando d'Ávalos (1530–1571), 5th Marquess of Pescara