| Marquette Catholic High School | |
| Streetaddress: | 306 W Tenth Street |
| City: | Michigan City |
| State: | Indiana |
| Zipcode: | 46360 |
| Country: | USA |
| Coordinates: | 41.7111°N -86.9022°W |
| Type: | Private, Coeducational |
| Religion: | Roman Catholic |
| Established: | 1886 |
| Oversight: | Diocese of Gary |
| Principal: | Katie Colignon |
| Grades: | 9–12 |
| Nickname: | Blazers |
Marquette Catholic High School is a private, co-educational, college prep school in Michigan City, Indiana. It is run along the principles of the Roman Catholic Diocese of Gary. Marquette offers dual credit courses, and AP credit opportunities.
Marquette has won 12 state titles: nine in volleyball, one in boys basketball, and two in girls basketball:[1]