There are many useful resources about C. S. Lewis on the web. This page is intended to be a listing of those websites in not particular order. The format for the entries is <web site name> as a link, # <informative short comment about the site and [<optional elaboration>]
Links should be put in alphabetical order by <web site name> : some liberties can be taken with the name but it should be representative of the actual content. The comment should be descriptive. Editorial comments should be left to the <optional elaboration> if present.

C. S. Lewis FAQ # Site of frequently asked questions about C. S. Lewis
C.S. Lewis Society of Harrisonburg
Into the Wardrobe
New York C. S. Lewis Society
C.S. Lewis Society of California
C.S. Lewis Foundation
On Wikipedia
C.S. Lewis Institute
Narnia at Disney
C.S. Lewis dot com
Will Vaus -- Author of Mere Theology