Jack St. Ivany


John St. Ivany is an American professional ice hockey player who is a defenseman for the Pittsburgh Penguins in the National Hockey League.

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.
St. Ivany was selected by the Philadelphia Flyers in the fourth round, 112th overall, of the 2018 NHL entry draft.
St. Ivany played college hockey for Yale from 2018 to 2020, and for Boston College from 2020 to 2022. 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.