Xibun is an alternate Mayan spelling of Sibun that appears on some Spanish colonial-period maps of the region, and is sometimes used to refer to:
- the Sibun River located in central Belize
- ancient or historic Maya settlers in the Sibun River valley
Xibun is an alternate Mayan spelling of Sibun that appears on some Spanish colonial-period maps of the region, and is sometimes used to refer to: