Samuel Williamson (born 19 December 1997) is an Australian international swimmer.

He has represented Australia at the 2022 Commonwealth Games and won one gold, two silver and a bronze medal.

He attended Sandringham College, graduating in 2015 and receiving a prestigious ATAR in the 90's[3] (including a study score of 44 in English, placing him in roughly the top 2 percent of the state[4]) He was selected for the 2022 Commonwealth Games in Birmingham, where he competed in the men's 50m metres breaststroke, reaching the final and winning a silver medal.

He also reached the final of the 100m breaststroke and won a bronze medal.

This biographical article related to an Australian swimmer is a stub.