Diego Kochen (born March 19, 2006) is an American professional soccer player who plays as a goalkeeper for Spanish team Barcelona Atlètic.

[2][3] Having progressed through Barcelona's La Masia academy, he signed his first professional contract with the club in March 2022.

The club also agreed on an official inclusion of the Barcelona Atlètic roster for the remainder of the 2023–24 season, where he was assigned the number 24.

[11] On March 15, 2022, Kochen debuted for the United States under-17, going on to captain the team on occasion and receive a nomination for 2022 U.S. Soccer Young Male Player of the Year.

[14] He received his first call up to the senior United States men's national soccer team for the September 2024 international window.