Jameer Nelson (born February 9, 1982) is an American professional basketball player for the Orlando Magic of the NBA. He played college basketball at Saint Joseph's University and was drafted in the first round of the 2004 NBA Draft by the Denver Nuggets but was traded to the Orlando Magic, where he has played for his entire professional career.

Nelson attended Chester High School in Chester, Pennsylvania and was a student and a letterman in basketball. In basketball, he helped lead his team to two PIAA state championships.

Nelson began his play at Saint Joseph's University in the 2000–2001 NCAA season. He had a breakout freshman season in which he was named unanimous National Freshman of the Year. During his junior season in 2002–2003, he averaged 19.7 points per game, 5.1 rebounds per game, and 4.7 assists per game. He declared for the NBA Draft in 2003, but remained for his senior season because he wanted to improve his draft status.