Jack St. Ivany

John St. Ivany (born July 22, 1999) is an American professional ice hockey player who is a defenseman for the Winnipeg Jets in the National Hockey League (NHL).

Early life St. Ivany is originally from Manhattan Beach, California.

Playing career St. Ivany played youth hockey for the Los Angeles Jr. Kings, and then played junior hockey for the Sioux Falls Stampede of the United States Hockey League (USHL).

St. Ivany was selected by the Philadelphia Flyers in the fourth round, 112th overall, of the 2018 NHL entry draft. In the 2021–22 season, St. Ivany was named a Hockey East Third-Team All-Star.

At the conclusion of his four-year collegiate career, St. Ivany became a free agent on August 15, 2022. On August 20, 2022, St. Ivany signed a two-year, entry-level contract with the Pittsburgh Penguins.

St. Ivany made his NHL debut on March 22, 2024, in Pittsburgh's game against the Dallas Stars. On April 2, 2024, St. Ivany recorded his first NHL point, assisting on an Evgeni Malkin goal against the New Jersey Devils. On May 21, 2024, St. Ivany re-signed with Pittsburgh on a three-year contract.

On October 2, 2025, the Penguins announced St. Ivany had suffered a lower-body injury, and would miss a minimum of six weeks.

International play St. Ivany represented the United States junior team at the 2019 World Junior Ice Hockey Championships.

Personal life St. Ivany was born to parents Darin and Tricia, and was raised with a brother, Tucker, and a sister, Bella.

Career statistics Regular season and playoffs

International

Year Team Event Result GP G A Pts PIM 2019 United States WJC 7 0 0 0 0Junior totals 7 0 0 0 0

Awards and honors Award YearUSHL Third All-Star Team 2018 College HE Third All-Star Team 2022