Synthetic methods for electrophilic iodination of organic compounds using elemental iodine or various iodides are compiled in this review, and literature data for the last 10-15 years is organised according to the type of organic compound. 1 Introduction 2 Iodination of Aromatic Hydrocarbons 2.1 Unsubstituted Aromatic Hydrocarbons 2.2 Phenols and Aromatic Ethers 2.3 Aromatic Amines 2.4 Alkyl-Substituted Aromatic Hydrocarbons 2.5 Deactivated Aromatic Hydrocarbons 3 Iodination of Alkenes and Alkynes 4 Iodination of Aliphatic Hydrocarbons 5 Iodination of Organic Compounds Bearing an Enolisable Carbonyl Group 6 Iodination of Heteroatom-Containing Organic Compounds 6.1 Organoboron and Organometallic Compounds 6.2 Heterocyclic Compounds 7 Conclusions and Perspectives