Abstract. Comics are very interesting media in conveying a message that the writer wants to convey to the wider community. One of the most popular comics in Indonesia today is the Sang Kyai comic by Ahmad Faizin Karimi. Sang Kyai's comics always invite laughter (read: humor), but in it also invites social, religious, cultural, and economic criticism related to contemporary issues. This article examines assertive speech acts contained in comic with Searle's theory dividing and developing speech acts into six parts. The method used is descriptive qualitative. The results of assertive speech act contained in cartoons including telling, reporting, stating, predicting and bragging.