The Hudson Catholic Regional High School Hawks compete in the
Hudson County Interscholastic League, which is comprised of public and private high schools in Hudson County and operates under the supervision of the
New Jersey State Interscholastic Athletic Association. With 364 students in grades 10-12, the school was classified by the NJSIAA for the 2019–20 school year as Non-Public B for most athletic competition purposes, which included schools with an enrollment of 37 to 366 students in that grade range (equivalent to Group I for public schools). The football team competes in the United Blue division of the
North Jersey Super Football Conference, which includes 112 schools competing in 20 divisions, making it the nation's biggest football-only high school sports league. The school was classified by the NJSIAA as Non-Public Group B (equivalent to Group I/II for public schools) for football for 2024–2026, which included schools with 140 to 686 students. In addition to intramural sports, interscholastic teams sponsored by Hudson Catholic include: The Hawks also won Hudson County Interscholastic Athletic Association League in 2011, 2012, The Hudson Catholic hockey team won the parochial state hockey championship in 2000, defeating
Seton Hall Preparatory School by a score of 2–1, and then defeated
Bayonne High School by a 4–2 margin to win the
Tournament of Champions. The team won the Handchen Cup in 1987, 1988, 1994. The boys wrestling team won the North Jersey Non-Public Group B state title in 2008 and 2009. In 2013, the baseball team won its first state title, finishing the season with a 19–10 record and defeating
St. Joseph High School by a score of 7–0 in the Non-Public B tournament championship game. The boys track team won the indoor relay championship in Non-Public Group B in 2015, 2016 and 2020. The boys soccer team won the Non-Public B North state sectional final against
Montclair Kimberley Academy in a 1-0 victory in 2016. The team is coached by Lou Ken-Kwofie. The girls basketball team won the Hudson County Tournament in 2018 defeating
Bayonne High School by a score of 55-42. The girls volleyball team won the Hudson County Tournament in 2015 defeating
Secaucus High School by a score of 2-1. The team won the Hudson County Tournament in 2016 defeating
Secaucus High School by a score of 2-0. The team won the Hudson County Tournament in 2018 defeating
Secaucus High School by a score of 2-0. The 2019 team repeated as Hudson County Tournament, again defeating Secaucus High School by a score of 2-0. The team won another Hudson County Tournament in 2021 defeating
Union City High School by a score of 2-0. The 2016 softball team won the Hudson County Tournament, the program's first, defeating
Kearny High School in the championship gameby a score of 15-0. The Hawks won the Hudson County Tournament in 2020, defeating
Bayonne High School by a score of 5-1. ==Technology==