Map Markup Language
- Name: Map Markup Language
- Alternative Name: MapML
- Specification URI: https://maps4html.org/MapML/spec/
- Maintainer: W3C Maps in HTML Community Group
- Disciplines: Remote Sensing, Earth Science
- Description: Map Markup Language (MapML), which is an extended subset of HTML, for maps. MapML extends the semantics of several HTML Standard elements, and specifies a small set of new, mapping-specific elements, in the HTML namespace ("http://www.w3.org/1999/xhtml").