The Ninth Tbilisi Symposium on Language, Logic and Computation will be held in in Kutaisi, Georgia, from September 26 to 30, 2011. The Symposium is organized by the Institute for Logic, Language and Computation (ILLC) of the University of Amsterdam in conjunction with the Centre for Language, Logic and Speech at the Tbilisi State University, the Georgian Academy of Sciences and the Akaki Tsereteli State University. The 2011 forum is the ninth instalment of a series of biannual Symposia. The preceding meetings took place in the Georgian mountain resort Gudauri (1995), at the capital of Georgia Tbilisi (1997), in the Black see coastal resort Chakvi (1999), in the spa resort Likani situated in the Borjomi Canyon (2001), Tbilisi (2003), Batumi (2005), Tbilisi (2007) and Bakuriani (2009).