Facebook like button can be displayed in Languages other than English. Facebook by default does not show any language option at the time of configuring the like button. If you run a website in some other language and want the like button to be in the same Language you can do that by this simple trick.
If you are using the XFBML version replace ‘en_US’ in this line with the correct Language locale code:
If you are using the Iframe version include a Language locale parameter with the proper country code in the src URL. Example:
Note: You may need to adjust the width of the Like button to accommodate different languages.