Some applications of alkali metal fluorides in organic synthesis are reviewed. The use of alkali metal fluorides as catalysts in the reactions of fluorine-containing compounds is also discussed. 1. Introduction 2. Elimination of Hydrogen Halides 3. Michael and Knoevenagel Reactions 4. Decarboxylation 5. Reactions of Fluorine-Containing Compounds 5.1. Reactions of Polyfluoroolefins 5.2. Polymerisation 5.3. Reactions of Carbonyl-Containing Compounds 5.4. Reactions with Halogens