Potrerillos Abajo is a town and corregimiento located in the Dolega District of the Chiriquí Province in Panama. It covers a total land area of 33.8 square kilometres (13.1 sq mi).
The population of Potrerillos Abajo has shown steady growth over recent decades, rising from 980 residents in 1990 to 1,378 in 2000. As of the 2010 census, the population reached 1,815, resulting in a population density of approximately 53.6 inhabitants per square kilometre (139/sq mi).