KLI may refer to:
*
Klingon Language Institute − promoting the constructed Klingon language
*
Konrad Lorenz Institute for Evolution and Cognition Research, Klosterneuburg, Austria.
*
Yonsei University Korean Language Institute
* ''Kli rishon'' (or ''K'li''), a "heated vessel" in Judaism, e.g. in
Sabbath food preparation
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