• SIGANN - Linguistic Annotation
• SIGBIOMED - Biomedical Natural Language Processing
• SIGDAT - Linguistic data and corpus-based approaches to NLP
• SIGDIAL - Dialogue Processing
• SIGGEN - Natural Language Generation
• SIGHAN - Chinese Language Processing
• SIGHUM - Language Technologies for the Socio-Economic Sciences and the Humanities
• SIGLEX - Lexicon
• SIGMOL - Mathematics of Language
• SIGMT - Machine Translation
• SIGNLL - Natural Language Learning
• SIGPARSE - Natural Language Parsing
• SIGMORPHON - Computational Phonology
• SIGSEM - Computational Semantics
• SEMITIC - Computational Approaches to Semitic Languages
• SIGFSM - SIG on Finite-State Methods
• SIGSLPAT - Speech & Language Processing for Assistive Technologies
• SIGWAC - Web as Corpus
  

Information on the creation of new ACL SIGs are available as well.

• Guidelines
• Constitution Template