Acute appendicitis is the most common indication for emergency abdominal surgery worldwide. The risks and benefits of incidental appendectomy during other operations have been debated for over a century. There is no right answer to the question of whether or not to perform incidental appendectomy. Although there are only a few indications where it is explicitly recommended such as in gynecological surgery, malrotation, and Ladd's procedure, incidental appendectomy is cost-effective in selected patient groups, especially in the young, without an increase in morbidity and mortality. In this review, the literature on incidental appendectomy was assessed from several perspectives.