The book entitled "Chromatographic analysis of oils and polymers" is structured in 3 chapters. Chapter one is entitled chromatographic methods of analysis in which we included overview, advantages of chromatographic methods, general stages of chromatographic analysis, classification of chromatographic methods, classification of chromatographic methods according to the nature of stationary and mobile phases, classification of chromatographic methods according to the separation process, classification of chromatographic methods according to the mode of movement of the sample, classification of chromatographic methods according to operating parameters and global classification of chromatographic methods. The second chapter presents chromatography in liquids, gases and solids. The third chapter is entitled "Chromatographic analysis of SAE 10W oil and KELTAN 4200 polymer".