Río Hato is a corregimiento in Antón District, Coclé Province, Panama. It is home to the Río Hato Airport. It has a land area of 140 sqkm and had a population of 15,701 as of 2010, giving it a population density of 112.1 PD/sqkm. Its population as of 1990 was 8,888; its population as of 2000 was 10,886. It is the site of Scarlett Martínez International Airport, a small international airport primarily used by Canadian leisure airlines.