This book constitutes the strictly refereed post-workshop proceedings of the 7th International Workshop on Logic Program Synthesis and Transformation, LOPSTR'97, held in Leuven, Belgium, in July 1997. The 15 revised full papers presented have been through two rounds of reviewing and selection from a total of initially 33 submissions. The topics addressed include program synthesis, program transformation, program analysis, tabling, metaprogramming, and inductive logic programming.