The Villalobos River is a river of Guatemala, in the Guatemala Department. It is a tributary that drains into the Lake Amatitlán and its basin. Making it one of the main sources of pollution towards the Lake.

Villalobos is made up of several micro-basins; The Platanitos, Molino, Pinula, Las Minas, San Lucas and Parrameño rivers converge there. The Villalobos River is formed from the union of the Molino and San Lucas tributary rivers at kilometer 12.5 of the CA-9 route to the Pacific, close to the named bridge complex. It is considered to start from that point to its mouth in Lake Amatitlán.

• List of rivers of Guatemala

• García García, Hayro Oswaldo (2002). "Cuantificación de la calidad del agua del río Villalobos en época seca y lluviosa en un periodo de 24 horas 2 veces al mes en un punto previo a la entrada al lago de Amatitlán. Estudio especial presentado a la Escuela Regional de Ingeniería Sanitaria y Recursos Hidráulicos (ERIS)" (PDF). Guatemala: USAC. Retrieved 2010-08-21. {{cite journal}}: Cite journal requires |journal= (help)
• "Water Resources Assessment of Guatemala" (PDF). US Army Corps of Engineers. June 2000. Archived from the original (PDF) on January 9, 2009. Retrieved 2009-06-04.
• "Guatemala - Surface Water Map" (PDF). US Army Corps of Engineers. June 2000. Retrieved 2009-06-04.
• Rand McNally, The New International Atlas, 1993.

14°34′40″N 90°38′18″W / 14.5779°N 90.6384°W / 14.5779; -90.6384