The small forward (SF), also known as the three, is one of the five positions in a regulation basketball game. Small forwards are typically shorter, quicker, and leaner than power forwards and centers but taller, larger, and stronger than either of the guard positions.

In basketball positions, small forward is the term used to describe a versatile player who can play both inside and outside the paint. This position requires quick, agile players to have good ball-handling skills. Small forwards are known for scoring effectively from anywhere on the court.

Usually the middle player in height, the small forward is generally smaller than the power forward and center, but taller than either of the guards.