Civilization Wiki
Wikipedia has a page called:

Ramkhamhaeng is a Siamese leader in the Civilization games.

Civilization V

Civilization VI

The main article has not been created for (or Ramkhamhaeng is not part of) Civilization VI

Ramkhamhaeng leads the Siamese in a mod for Civilization VI (available here).

Other games

Ramkhamhaeng is not present in (or the article has not been created for) the following games :

Game Article
Civilization VII Ramkhamhaeng (Civ7)
Civilization Revolution Ramkhamhaeng (CivRev)
Civilization Revolution 2 Ramkhamhaeng (CivRev2)
CivWorld Ramkhamhaeng (CivWorld)
Freeciv Ramkhamhaeng (Freeciv)
Civilization: Call to Power Ramkhamhaeng (CTP1)
Call to Power II Ramkhamhaeng (CTP2)
C-evo Ramkhamhaeng (C-evo)
Starships Ramkhamhaeng (Starships)

Not in the following games

It has been confirmed that Ramkhamhaeng is not present in the following games :

Civilization II
Civilization III
Civilization IV
Civilization: Beyond Earth
Sid Meier's Colonization
Civilization IV: Colonization
Sid Meier's Alpha Centauri‎

Future technology (CivRev)
This is a disambiguation page used to differentiate articles on different topics of the same name. If an internal link led you to this page, you may want to go back and edit it so that it points to the desired specific page.