This research elucidates the relationship between adultery (zina), Article 284 of the Criminal Code (KUHP), Islamic law, and the teachings of Hadith. Adultery, as a sexual act outside of lawful marriage, is deemed a serious transgression against moral and ethical values within society. Article 284 of the KUHP reinforces the prohibition of adultery and provides a legal framework for its enforcement. Conversely, Islamic law and Hadith teachings offer a strong moral and spiritual perspective on adultery, affirming its strict prohibition and serious consequences for perpetrators. This study also discusses practical measures to avoid adultery and the importance of a holistic approach in addressing this issue within society