Urban Legend Links
Note also that many of the mythology links also include information about and examples of urban legends.
Skeptical Inquirer (The Magazine for Science and Reason) Bills itself as "separating fact from myth in the flood of occultism and pseudoscience on the scene today. . .tells you what the scientific community knows about claims of the paranormal, as opposed to the sensationalism often presented by the press, television, and movies" (published by the Committee for the Scientific Investigation of Claims of the Paranormal).
Urban Legends and Folklore (about.com) Offers excellent databases, search engines and discussions of many urban legends.
www.snopes.com Reference page recommended by Jan Harold Brunvand (clearly categorized search engine).
Urban Legends References Page (San Fernando Valley Folklore Society). Good database and search engine for finding urban legends.
The AFU & Urban Legends Archive popular site, based on alt.folklore.urban
Urban Legends and Modern Myths another popular site with many examples
Alt.folklore.college Usenet site on frequently posted urban legends.
Disinformation More interesting links
Yahoo's Urban Legend Links A long and comprehensive list of links