Riba is mentioned and condemned in several different verses in the Qur'an (3:130, 4:161, 30:39 and perhaps most commonly in 2:275-2:280).
ذكر الربا، وأدين في عدة آيات مختلفة في القرآن(3:130, 4:161, 30:39 وربما الأكثر شيوعا في 2:275-280).