Below are listed over 100 blogs (...and counting) about Google : from fans, specialists, journalists, students, Google employees (Googlers).....and also, officials Google blogs.

Unofficial Google Blogs
Google Blogoscoped http://blog.outer-court.com/
Google Operating System http://googlesystem.blogspot.com/
Googlified http://googlified.com/
Zorgloob http://www.zorgloob.com/ (in french)
Google XXL http://googlexxl.blogspot.com (in french)
Google Tutor http://www.googletutor.com/
New Google Blog http://google-blog.dirson.com/
Google Info http://www.google-info.net/
My Google http://my-google.blogspot.com/

Under Google http://www.undergoogle.com/blog/ (in portuguese)
Google Discovery http://www.googlediscovery.com/ (in portuguese)
L'observatoire Google http://google-observatoire.blogspot.com/ (in french)
http://www.blog-google.fr/ (in french)
Google Stories http://www.google-stories.com/rubrique.php3?id_rubrique=3 (in french)
Google Inside http://www.ginside.com/
Google in Hungary and search as such http://gugli.wordpress.com/
Référencement, référencer son site sur Google http://referencement-sur-google.blogspot.com/ (in french)
Google Picasa 中文爱好者 http://gu8.org/ (in japanese)
Unofficially Everything Google http://google.blogwog.com/
GoogleRumors http://www.googlerumors.com/

Googlinside http://www.googlinside.com
Noticias de google en español http://google.dirson.com/ (in spanish)
Meta-Google http://www.kbcafe.com/google/
Google Analyticsとは何だ？http://d.hatena.ne.jp/Bobby-N/ (in japanese)
googleのgoogleによるgoogleのためのブログ http://google.koukokukaigisitsu.info/ (in japanese)
WEBの神？Google情報局  http://google-news.seesaa.net/ (in japanese)
Google時評  http://it.cymedia.jp/ (in japanese)
Google Adictos http://www.googleadictos.com/ (in spanish)

컴맹구글 블로그(Google Newbie) http://googlenewbie.blogspot.com/index.html (in korean)
Like a Google http://gartzz1.blogspot.com/index.html (Korean)
한국 구글 블로그 Korea Google Blog : KGB http://koreagoogleblog.blogspot.com/index.html (in korean)
http://info-google.blogspot.com/ (in portuguese)
Researching Google Blog http://www.googlechance.com/blog/
BloggingStocks : GOOG http://goog.bloggingstocks.com/
Kai Google Marketing AdWords Consultant http://www.google-kai.com/
Google Analytics Blog http://www.roirevolution.com/blog/
Google Analytics & Urchin Software Blog http://www.ga-experts.co.uk/blog/
Geld verdienen mit Google http://www.geld-verdienen-mit-google.de/ (in german)
教えて！google 使用法 http://osiete.livedoor.biz/ (in japanese)

AllaboutGoogle . de http://ihaendler.de/ (in german)
Google Modules http://www.googlemodules.com/
GoogleWatchBlog http://www.jmboard.com/gw/ (in german)
Google Desktop Plugin Development http://www.plugindevelopment.com/
The Google Bomb Project http://googlebombproject.blogspot.com/
Kent Dodds Productions http://kdproductions.blogspot.com/
BuyGoogle http://www.buygoogle.com/
Google Video Highlights http://gvhighlights.blogspot.com/
GoogleActu http://googleactu.blogspot.com/
Google from below http://undergoogle.blogspot.com/
The unofficial Google Weblog http://google.weblogsinc.com/
The Unofficial Google Fan Club http://www.ugfc.org/
Google Weblog http://google.blogspace.com/
Actualités Google http://actusgoogle.ublog.com/actualites_google/ (in french). Only recaptures.
Google addict http://google-addict.glockz.com/ (in french). Only recaptures.
Google Search: about Google http://about-google.blogspot.com/ (in french)

From mainstream media
Vnunetblog http://google.vnunetblog.fr/google/
Topix http://www.topix.net/com/google?scoring=d
ZDNet http://blogs.zdnet.com/Google/
eWeek http://googlewatch.eweek.com/watch/google/default.aspx

From Googlers (only Google employees blogs mainly devoted to web/search are listed).
Matt Cutts: Gadgets, Google, and SEO http://www.mattcutts.com/blog/
Inside Google http://google.blognewschannel.com
gSpy http://gspy.blogspot.com
brightly colored food http://www.brightlycoloredfood.com/
persistent.info http://persistent.info/
Google Wizard Blog http://dmountain.blogspot.com/
Dr. Razavi's Good to Know Info http://dr-razavi.blogspot.com/

From Ex-Googlers
Xooglers http://xooglers.blogspot.com/
plaxoed! http://blog.plaxoed.com/

Blogs about Google Maps (Google Local) and Google Earth.
Google Earth Blog http://www.gearthblog.com/
Ogle Earth http://www.ogleearth.com/
Visu. http://visugoogleearth.blogspot.com/ (in french)
Using Google Earth http://googleearthuser.blogspot.com/
Matt's Wikimapia blog http://wikimapia.mattjonesblog.com/
Google Sightseeing http://www.googlesightseeing.com/
Google Sightseeing UK http://www.ipod.org.uk/sightseeing/
Virtual Globetrotting http://virtualglobetrotting.com/index.php/
Sightseeing with Google Satellite Maps http://perljam.net/google-satellite-maps/
Google Earth Hacks http://www.googleearthhacks.com/
Earthhopper http://earthhopper.seesaa.net/ (in japanese)
GoogleEarthing http://www.googleearthing.com/
Google Globe http://www.googleglobe.com/ (in german)
Zorgloob Maps http://maps.zorgloob.com/ (in french)
Juicy Geography’s Google Earth page http://www.juicygeography.co.uk/blog/
Google Planet http://gisplanet.blogspot.com/index.html
Google Earthで世界何周？http://google-earth1.seesaa.net/ (in japanese)
Google Earth y Google Maps http://lugares-interesantes.blogspot.com/index.html (in spanish)
Google Earth Brasil http://ogerente.com/gebr/ (in portuguese)

Google Maps Mania http://googlemapsmania.blogspot.com/
Google Karten http://googlekarten.blogspot.com/ (in german)
Cool Google Maps http://coolgooglemaps.blogspot.com/
Virtuaaliset nuppineulat-eli Google Maps API http://nuppineulat.blogspot.com/ (in finnish )
Beginning Google Maps Applications http://googlemapsbook.com/
Understanding Google Maps & Yahoo Local http://www.blumenthals.com/blog/

Official Google Blogs
(see list on Official Google Blog, right column http://googleblog.blogspot.com/ )

AdWords API Blog
Blogger Buzz
Google AJAX Search API
Google Analytics Blog
Google Base Blog
Google Blog
Google Blog (Brasil)
Google Blog (China)
Google Blog (Italia)
Google Blog (Japan)
Google Blog (Korea)
Google Blog (Mexico)
Google Blog (Poland)
Google Blog (Russia)
Google Checkout
Google Code
Google CPG Blog
Google Custom Search Blog
Google Data APIs Blog
Google Docs & Spreadsheets
Google Enterprise Blog
Google Mac Blog
Google Maps API Blog
Google Reader Blog
Google Research
Google Talkabout
Google Video Blog
Google Web Toolkit Blog
Inside AdSense
Inside AdSense (Dutch)
Inside AdSense (German)
Inside AdSense (Portuguese)
Inside AdSense (Spanish)
Inside AdWords
Inside Google Book Search
Inside Google Desktop
Webmaster Central Blog

Compiled by
Christophe ASSELIN-
( Intelligence-Center, Digimind)