The concepts of fuzzy products and their duals, namely, fuzzy coproducts are already known for fuzzy topological spaces. In this paper the concepts of fuzzy equalizers and fuzzy pullbacks and their duals, namely, fuzzy coequalizers and fuzzy pushouts are introduced for fuzzy topological spaces and various results concerning fuzzy products, fuzzy equalizers and fuzzy pullbacks and their duals are explored. (C) 2000 Elsevier Science B.V. All rights reserved.