Abstract: The notion of common good is frequently used in a broad or vague sense. Actually, it is a complex concept which is hard to define. Having been born in a classical era, many authors think it is attached to (and dependent on) a metaphysical mindset which will never be assumed again. To those scholars, the very concept should be abandoned from the standpoint of a modern political or social scientist. In this context, the goal of this work is to offer a reinterpretation of the notion for our times. We revise its origin in the thought of Aristotle and Aquinas, as well as its path in some modern catholic philosophers, such as Rosmini, Taparelli and Pesch. Then, a summary of some contemporary trends related to the issue is offered, namel...