This book constitutes the refereed proceedings of the 11th International Symposium on Static Analysis, SAS 2004, held in Verona, Italy in August 2004.The 23 revised full papers presented with an invited paper and abstracts of 3 invited talks were carefully reviewed and selected from 63 submissions. The papers are organized in topical sections on program and systems verification, security and safety, pointer analysis, abstract interpretation and algorithms, shape analysis, abstract domain and data structures, shape analysis and logic, and termination analysis.