James Frederick "Webb" Simpson (born August 8, 1985) is an American professional golfer who plays on the PGA Tour.

Simpson was born in Raleigh, North Carolina. He played collegiate golf at Wake Forest University and was a three-time All-American and the ACC Player of the Year in 2008. He won several prestigious amateur tournaments. He played on the victorious 2007 Walker Cup team and the 2007 Palmer Cup team.

After turning professional in June 2008, Simpson played on the PGA Tour and Nationwide Tour on sponsor's exemptions. He recorded two runner-up finishes on the Nationwide Tour. He then competed in the PGA Tour's qualifying school and finished T7 to earn his Tour card for 2009. He had a successful start to his rookie year with a 5th place finish at the Bob Hope Classic and a 9th place finish at the Sony Open in Hawaii. He ended the season with four top 10 finishes and comfortably retained his tour card ranked 70th on the money list.