Alison Williamson (born 3 November 1971) is an athlete from Great Britain. She competes in archery.

Williamson represented Great Britain at the 2004 Summer Olympics. She placed 21st in the women's individual ranking round with a 72-arrow score of 637. In the first round of elimination, she faced 44th-ranked Janet Dykman of the United States. Williamson defeated Dykman 147-121 in the 18-arrow match to advance to the round of 32. In that round, she faced 53rd-ranked Japanese archer Sayoko Kawauchi, defeating her 154-150. Williamson then defeated 5th-ranked Zhang Juanjuan of China 165-161, advancing to the quarterfinals.

In the quarterfinals, Williamson faced He Ying, also of China, decisively defeating the 4th-ranked archer 109-89 in the 12-arrow match. Williamson advanced to the semifinals, where she was defeated by Korean Park Sung Hyun 110-100, moving Williamson to the bronze medal match. In the final 12-arrow match, she won by one point over 6th-ranked Yuan Shu Chi of Chinese Taipei to win the bronze medal in women's individual archery.

Williamson was also a member of the 12th-place British women's archery team.