Polyesters and alkyds are treated in this chapter. After an introduction we will discuss molecular weight and functionality of polyesters, we will look at raw materials and their influence on the final properties of polyesters. Alkyds, a special class of polyesters, are discussed, as well as the practical aspects of polyester syntheses and the properties and applications of polyesters and alkyds (54 minutes, 61 slides, 15 pages textbook).