Pathological gambling is defined as persistent and repetitive gambling behaviors, characterized by the inability to control the gambling behavior of the individual, family or professional functionality. It is stated that the possibility of occurrence of alcohol and substance use disorders is increased after obesity operations, which have been frequently applied in recent years. Until now, gambling disorder, which is considered as impulse control disorder, is evaluated under the category of addiction behaviors with DSM-5. In this case report, the case of gambling disorder following bariatric surgery will be discussed.