Ariguani is a municipality located in the Department of Magdalena in Colombia. The administrative seat of the municipality is the town of El Difícil.
The region is bordered by the municipalities of Nueva Granada, Sabanas de San Ángel, Pijiño, and Bosconia. According to the 2005 national census, Ariguani has a total population of 31,047 inhabitants, with 18,313 residents living in the urban center and 12,734 residing in rural areas.