The Aguacapa Dam (Spanish: Planta Hidroeléctrica Aguacapa ) is a reinforced concrete gravity dam and power plant spanning the Aguacapa River in Escuintla, Guatemala.

The dam's reservoir has a total capacity of 300,000 m. The water is transported to the powerhouse through a 12.04 km long tunnel and a 3.65 km long pressure tube. The plant has 3 × 30 MW Pelton turbines, with a total installed capacity of 90 MW. The plant has a net level declination of 490.6 m, and a designed flow of 7.33 m/s per unit.

The plant's total output between 1981 and 2006 was 6600.96 GWh, which amounts to an average annual electricity generation of 264 GWh.

• List of hydroelectric power stations in Guatemala

• Media related to Aguacapa Dam at Wikimedia Commons