Category:American online encyclopedias

• List of online encyclopedias of U.S. states

0–9

• 64 Parishes (encyclopedia)

A

• Africa.com
• Encyclopedia of Alabama
• Encyclopedia of Arkansas

B

• Ballotpedia

C

• Catholic Encyclopedia
• Encyclopedia of Chicago
• Christian Cyclopedia
• The Encyclopedia of Cleveland History
• Colorado Encyclopedia
• Columbia Encyclopedia
• Connecticut History (encyclopedia)
• Cyclopaedia of Political Science, Political Economy, and the Political History of the United States

D

• De Imperatoribus Romanis
• Dictionary of Art Historians
• Digital Universe
• Don Markstein's Toonopedia

E

• E-WV
• Emojipedia
• Encarta
• Encyclopædia Britannica
• Encyclopædia Universalis
• Encyclopedia of Appalachia
• Encyclopedia of Earth
• Encyclopedia of Life
• Encyclopedia of Life Sciences
• Encyclopedia of Louisville
• Encyclopedia of Wyoming
• Encyclopedia Virginia
• Encyclopedia.com
• Everipedia
• Everything2

F

• Floripedia
• The Free Dictionary
• Fringepedia

G

• New Georgia Encyclopedia
• Glbtq.com
• Global Anabaptist Mennonite Encyclopedia Online
• Grolier
• Guampedia

H

• Handbook of Texas
• HistoryLink
• Holocaust Encyclopedia

I

• Internet Encyclopedia of Philosophy
• Interpedia

J

• The Jewish Encyclopedia
• Jewish Virtual Library

K

• Kansapedia
• Knol
• Know Your Meme

M

• Maine: An Encyclopedia
• MathWorld
• MNopedia
• MusicBrainz

O

• On-Line Encyclopedia of Integer Sequences
• Online Nevada Encyclopedia
• The Oregon Encyclopedia

P

• PlanetPhysics

S

• Scholarpedia
• The Simpsons Archive
• South Carolina Encyclopedia
• Stanford Encyclopedia of Philosophy
• Supernatural Wiki

T

• Tennessee Encyclopedia

U

• Urdu Wikipedia

W

• Wookieepedia
• World Book Encyclopedia
• Wowpedia

Y

• The YIVO Encyclopedia of Jews in Eastern Europe