Here are some more (this is from my survey paper, but I've removed the ones that were already mentioned above):
"Lispmeister", a blog run by Markus Fix, mainly about Lisp:
* http://lispmeister.com
"Exploring Lisp: Writings on Lisp and the process of programming", a blog by Geoff Wozniak:
* http://exploring-lisp.blogspot.com/
"Smug Lisp Weenie", a blog by Kenny Tilton:
* http://smuglispweeny.blogspot.com/
Another Lisp-related blog, by Lukas Macedo
* http://thawacoupiekak.blogspot.com/
Dan Weinreb's blog, which has Lisp articles from time to time:
* http://danweinreb.org/blog
"Informal Methods", a blog with interesting Lisp-related postings:
* http://ahefner.livejournal.com/tag/lisp
Another blog, by Mikael Jansson:
* http://mikael.jansson.be/journal/topic/computers/lisp
A very interesting blog, by Eric W. Normand
* http://www.lispcast.com
"unClog: opening it up with Common Lisp", by Gary King of (among other things) Franz Inc.
* http://www.metabang.com/unclog/
Joseph Gutierrez's blog about Lisp style:
* http://uglylispcode.wordpress.com/
Nicky Peeters's blog about Common Lisp and other subjects:
* http://zoetrope.speakermouth.com/
Someone's (who works at stix.to?) blog about Lisp:
* http://www.fallenfrukt.com/
Hans Huebner's blog:
* http://netzhansa.blogspot.com/
Common Lisp Weekly News:
* http://lispnews.wordpress.com/
Another good blog with a lot about Lisp:
* http://lispy.wordpress.com
"Rondam Ramblings", by Ron Garret:
* http://rondam.blogspot.com/
"Send More Paramedics", by Fogus
* http://blog.fogus.me