Have you ever had a problem or question and wanted to contact Google about it? Was it easy to find the right email address or contact form to submit your question?

Now all important Google email addresses and contact forms are in one place. Here, on this website.

Here are Google contact email addresses and contact forms:

* Google Chrome
Website: http://www.google.com/chrome
Help Center: http://www.google.com/support/chrome/
Contact Form: http://www.google.com/support/chrome/bin/request.py?contact_type=feedback

* Google AdWords Editor
Website: http://www.google.com/adwordseditor/
Help Center: http://www.google.com/support/adwordseditor/
Contact Form: http://www.google.com/support/adwordseditor/bin/request.py

* Google Desktop
Website: http://desktop.google.com/
Help Center: http://desktop.google.com/support/
Contact Form: http://desktop.google.com/support/bin/request.py

* Google Earth
Website: http://earth.google.com/
Help Center: http://earth.google.com/support/
Contact Form: http://earth.google.com/support/bin/request.py

* Gmail/Google Notifier
Website: http://mail.google.com/mail/help/notifier/
Help Center: —
Contact Form: —

* Lively
Website: http://www.lively.com/
Help Center: http://www.lively.com/help/
Contact Form: http://groups.google.com/group/lively-help-suggestions–feedback/topics

* Google Pack
Website: http://pack.google.com/
Help Center: http://www.google.com/support/pack/?hl=en
Contact Form: http://www.google.com/support/pack/bin/request.py

* Picasa
Website: http://picasa.google.com/
Help Center: http://picasa.google.com/support/?hl=en
Contact Form: http://picasa.google.com/support/bin/request.py?contact_type=contact

* SketchUp
Website: http://sketchup.google.com/
Help Center: http://sketchup.google.com/support/?hl=en
Contact Form: http://sketchup.google.com/support/bin/request.py

* Google Talk
Website: http://www.google.com/talk/
Help Center: http://www.google.com/support/talk/?hl=en
Contact Form: http://www.google.com/support/talk/bin/request.py

* Google Gears
Website: http://gears.google.com/
Help Center: http://gears.google.com/support/
Contact Form: http://gears.google.com/support/bin/request.py

* Google Toolbar
Website: http://toolbar.google.com/
Help Center: http://www.google.com/support/firefox/?hl=en
Contact Form: http://www.google.com/support/firefox/bin/request.py

* AdSense
Website: http://google.com/adsense/
Help Center: https://www.google.com/adsense/support/?hl=en
Contact Form: https://www.google.com/adsense/support/bin/request.py
E-mail: adsense-support@google.com

* AdWords
Website: http://adwords.google.com/

* Help Center:

http://adwords.google.com/support/

Contact Form: https://adwords.google.com/support/bin/request.py?fhc=1&ctx=cuffhelp
E-mail: adwords-charge@google.com

* AdWords Website Optimizer
Website: http://services.google.com/websiteoptimizer/
Help Center: http://www.google.com/support/websiteoptimizer/
Contact Form: http://www.google.com/support/websiteoptimizer/bin/request.py

* Google Apps
Website: http://www.google.com/a/
Help Center: http://www.google.com/support/a/
Contact Form: http://www.google.com/support/a/bin/request.py

* Blogger
Website: http://www.blogger.com/
Help Center: http://help.blogger.com/
Contact Form: http://help.blogger.com/?page=contact

* Calendar
Website: http://google.com/calendar
Help Center: http://www.google.com/support/calendar/
Contact Form: http://www.google.com/support/calendar/bin/request.py

* Google Docs
Website: http://docs.google.com/
Help Center: http://docs.google.com/support/
Contact Form: http://docs.google.com/support/bin/request.py

* FeedBurner
Website: http://www.feedburner.com/
Help Center: http://www.google.com/support/feedburner/
Contact Form: http://www.google.com/support/feedburner/bin/request.py

* Gmail
Website: http://mail.google.com/
Help Center: http://mail.google.com/support/
Contact Form: https://services.google.com/inquiry/gmail_suggest/
E-mail: gmail-feedback@google.com

* iGoogle
Website: http://google.com/ig
Help Center: http://www.google.com/support/?ctx=web&hl=en
Contact Form: —

* Jaiku
Website: http://www.jaiku.com/
Help Center: http://jaiku.com/help
Contact Form: http://jaiku.com/channel/jaiku

* Knol
Website: http://knol.google.com/
Help Center: http://knol.google.com/k/knol/knol/Help
Contact Form: knolhelp@google.com

* Orkut
Website: http://orkut.com/
Help Center: http://help.orkut.com/
Contact Form: http://help.orkut.com/support/bin/request.py

* Google Reader
Website: http://google.com/reader
Help Center: http://www.google.com/support/reader/
Contact Form: labs+reader@google.com

* Google Sites
Website: http://sites.google.com/
Help Center: http://sites.google.com/support/
Contact Form: http://sites.google.com/support/bin/request.py

* YouTube
Website: http://www.youtube.com/
Help Center: http://www.google.com/support/youtube/
Contact Form: http://www.youtube.com/t/contact_us

* Google Webmaster Tools
Website: http://www.google.com/webmasters/
Help Center: http://www.google.com/support/webmasters/
Contact Form: —

* Maps
Website: http://maps.google.com/
Help Center: http://maps.google.com/support/
Contact Form: http://maps.google.com/support/bin/request.py

* Google Analytics
Website: http://www.google.com/analytics/
Help Center: http://www.google.com/support/googleanalytics/
Contact Form: http://www.google.com/support/googleanalytics/bin/request.py

* General Google request
Website: http://www.google.com/support/bin/request.py

* Report Spam
Website: http://www.google.com/contact/spamreport.html

* Google blog
E-mail: gblog@google.com

* Google Press
E-mail: press@google.com

* Google general Help
E-mail: help@google.com

* Google Webmasters
E-mail: webmaster@google.com

* Google Help Center
Website: http://www.google.com/support/bin/static.py?page=alpha_index.html

* Google Inc.
Address:
1600 Amphitheatre Parkway
Mountain View, CA 94043

* Google Phone and Fax Numbers
Phone: +1 650-253-0000
Fax: +1 650-253-0001

General rule for contact forms at Google is as follow:
http://[Google service name].google.com/support/bin/request.py

replace Google service name to any service you want to contact at Google.
NOTICE: some of the Google services have other contact form url structure, so view the proper service on this site for more details about contacting Google.

If you know any other way to contact Google or Google services leave a comment and i will update that list.