The power forward (PF), also known as the four, is one of the five traditional positions in a regulation basketball game. Traditionally, power forwards have played a role similar to centers and are typically the second tallest player on the court. When on offense, they typically play with their backs towards the basket.

The power forward is one of the five common basketball positions that is mainly responsible for rebounding as well as scoring points and playing defense near the basket or near the perimeter areas of the court. Also, the power forward is generally indicated as the number 4 and the usual abbreviation is denoted as PF.