This volume represents the proceedings of the Eighth International Conference on Typed Lambda Calculi and Applications, TLCA 2007, held in Paris, France during 26-28 June 2007, in conjunction with RTA. It contains the abstracts of the invited talks by Frank Pfenning and Patrick Baillot, plus 25 contributed - pers. The contributed papers were selected from a total of 52 submissions. The conference program included an invited talk by Greg Morrisett and a special evening talk by Henk Barendregt, on "Diamond Anniversary of Lambda Cal- lus." I wish to express my gratitude to the members of the ProgramCommittee and to all the referees for their contribution in preparing a very interesting s- enti?c program. Moreover, I thank, the members of the Organizing Committee for their hard work and the sponsoring institutions.
April 2007 Simona Ronchi Della Rocca Organization Program Committee Chantal Berline (CNRS, France) Peter Dybjer (Chalmers, Sweden) Healfdene Goguen (Google, USA) Robert Harper (Carnegie Mellon University, USA) Olivier Laurent (CNRS, France) Simone Martini (University of Bologna, Italy) Simona Ronchi Della Rocca (University of Torino, Italy), Chair Peter Selinger (Dalhousie University, Canada) Paula Severi (University of Leicester, UK) Kazushige Terui (University of Sokendai, Japan) Pawel Urzyczyn (University of Warsaw, Poland) Steering Committee Samson Abramsky (University of Oxford, UK) Henk Barendregt (Katholieke Universitet Nijmegen, The Netherlands) Mariangiola Dezani-Ciancaglini (University of Torino, Italy), Chair Roger Hindley (University of Swansea, UK) Martin Hofmann (University of Munich, Germany) Pawel Urzyczyn (University of Warsaw, Poland) Organizing Committee Antonio Bucciarelli (PPS, University of Paris 7)