The types of coffee beans used to make the morning coffee everyday are probably of little concern to the average person. However, the true coffee lover knows the various types of coffee beans if for no other reason than to be able to pick out their favorites from among the many available varieties. The two most common types of coffee beans used in making coffee are the Arabic bean and the Robusta bean. These two beans are used more than any other variety of beans, either in their pure form or in coffee blends.