- About.com: Geography Glossary - Geographical terms defined.
- Biogeography Glossary - Terms arranged according to various subject categories including general biogeography, ecology, evolution, landscape ecology and taxonomy maintained by Radford University.
- Free Edition of the AGI GIS Dictionary - Nearly 1,000 GIS terms and 52 diagrams published by the Association for Geographic Information and the University of Edinburgh Department of Geography.
- Geographic.org: Glossary - Alphabetized list of words with definitions.
