There are apparently few awards given related to language - in the sense of working to support the development of a particular language or for linguistic diversity. David Crystal suggests that granting such recognition can be a way of supporting the goals of the International Year of Languages. (See LADDA.)
A list of known awards is given below: (page is being compiled)
Annual awards
International
Regional
One time awards
- ACT International Women's Day Awards - "Special Category for a woman from a culturally and linguistically diverse background who has made a significant contribution to the ACT community, in recognition of 2008 as International Year of Languages" - http://www.artsaroundcanberra.com.au/aacknowledge/?p=77
