Carson Foster (born October 26, 2001) is an American competitive swimmer.

He also represented the United States at the Junior Pan Pacific Championships in 2018.

[1] When Foster was 10 years old he broke the National Age Group record in the 50-meter butterfly for the 10 and under age group, his swim of 29.91 seconds made him the youngest American to swim the race in less than 30 seconds.

[2] Foster competed at the 2016 US Olympic Trials in Omaha, Nebraska in the 400-meter individual medley where he finished ranked 43rd overall in the preliminaries.

[3] At the 2020 US Olympic Trials in Omaha, Nebraska, Foster ranked eighth in the 200-meter freestyle with a time of 1:46.67.