Thomas David Jones is a former United States astronaut. He was selected to the astronaut corps in 1990 and completed four space shuttle flights before retiring in 2001. He flew on STS-59 and STS-68 in 1994, STS-80 in 1996 and STS-98 in 2001. His total mission time was 53 days 48 minutes. He works as a planetary scientist, space operations consultant, astronaut speaker, and author.