This chapter discusses using humor in the classroom to lighten the environment and enhance learning. It defines humor and its purpose in education, exploring how humor can reduce stress and promote creativity. The theoretical foundations of humor are examined, including cognitive and affective theories. Different types of learners are considered in terms of using appropriate and relevant humor. Guidelines are provided for creating optimal conditions for learning using humor, as well as resources and techniques for incorporating humor effectively. Potential problems with humor in education are also reviewed.