Allison Pinto's Blog
http://apinto.blog.usf.edu/

Gary Burge
http://www.garyburge.com/complexity/

Zick and Bramson (Univeristy of Michigan Grad Students)
http://www.complexityblog.com/

Complexity and Social Network Blog
The objective of this blog is to offer a forum for the discussion of the intertwined subjects of network analysis and complex systems theory.
http://www.iq.harvard.edu/blog/netgov/

Complexity Group - Brian's Blog
http://www.complexitygroup.com/page2/page3/page3.html

Computational Complexity Blog
http://weblog.fortnow.com/

The Industrial Science Blog: Complexity Science, Simulation, and Business
http://blog.industrial-science.com/

Complexity and Social Networking Blog - Harvard University
http://www.iq.harvard.edu/blog/netgov/

Grey Thumb Blog - Complexity
http://www.greythumb.org/blog/index.php?/categories/2-Complexity