Theodore Townsend Purdy (born August 15, 1973) is an American professional golfer. Purdy was born in Phoenix, Arizona. He graduated from Brophy College Preparatory in 1992. He went to the University of Arizona as a finance major and was inducted into its Sports Hall of Fame in 2005. He has won one PGA Tour tournament, the EDS Byron Nelson Championship in 2005. He has also won on the Nationwide Tour and the Asian Tour.

In 2007 he finished just outside the top 125 on the PGA Tour money list, and lost full playing rights for the 2008 season. He returned to the PGA Tour for 2009 through qualifying school. He has alternated between the PGA Tour and Nationwide Tour since 2010. After Purdy's PGA Tour career stalled, he became a representative for a custom car company. In 2013, Purdy earned his first professional win in eight years at the Abierto Mexicano de Golf on the PGA Tour Latinoamérica, two steps below the PGA Tour. It was his fourth professional win in four different tours. He has since resumed playing on a more frequent basis, though on the Web.com Tour and third-tier Gateway Tour. Purdy made it to the final rounds of 2013 and 2014 Web.com Tour Qualifying School, but was not able to maintain his tour privileges and has limited status on the PGA and Web.com Tours.