Kenneth James "Trey" Augustine III (born February 23, 2005) is an American college ice hockey goaltender for Michigan State University of the National Collegiate Athletic Association (NCAA).

[3][4] Augustine was originally committed to play college ice hockey for Michigan, however, after former head coach Mel Pearson was fired, he reopened his recruitment process.

[11] Augustine represented the United States at the 2022 IIHF World U18 Championships, where he recorded three wins and one loss, with a 2.77 GAA and won a silver medal.

[12] He again represented the United States at the 2023 IIHF World U18 Championships, where he recorded six wins, with a 1.61 GAA, .934 save percentage, and won a gold medal.

[18] On May 5, 2024, he was named to the United States men's national ice hockey team to compete at the 2024 IIHF World Championship.

[19][20] He made his senior national team debut when he came on in relief for Alex Lyon in a game against Germany on May 11, 2024, and allowed one goal on 12 shots.

He helped team USA win back-to-back gold medals at the IIHF World Junior Championship for the first time in history.