Duson is a town in Acadia and Lafayette parishes in the U.S. state of Louisiana. The town was named after Curley Duson, a sheriff of St. Landry Parish. At the 2010 U.S. census, the town had a population of 1,716; in 2020, at the population estimates program, its population was 1,761. The Lafayette Parish portion of Duson is part of the Lafayette metropolitan statistical area, while the Acadia Parish portion is part of the Crowley micropolitan statistical area. Duson also has a ghost town affiliated with it, a tiny neighborhood that was made but never finished. It is currently blocked off by the town's police.

Acadia Parish is a parish located in the U.S. state of Louisiana. At the 2020 U.S. census, the population was 57,576. The parish seat is Crowley. The parish was founded from parts of St. Landry Parish in 1886, and later an election was held to determine the parish seat, ending when Crowley beat Rayne and Prairie Hayes. Acadia Parish is included in the Lafayette metropolitan statistical area.