| Trinity Catholic Jr./Sr. High School | |
| Streetaddress: | 1400 East 17th Street |
| City: | Hutchinson |
| State: | Kansas |
| Zipcode: | 67501 |
| Country: | U.S. |
| Coordinates: | 38.0728°N -97.9033°W |
| Religion: | Roman Catholic |
| Superintendent: | Janet Eaton |
| Principal: | Joseph Godina |
| Chaplain: | Rev. Will Steuver |
| Type: | Private, coeducational |
| Grades: | 7–12 |
| Hours In Day: | 8 |
| Conference: | Heart of America League |
| Fightsong: | Notre Dame March |
| Mascot: | Celtic |
| Team Name: | Celtics |
| Colors: | Red, white and Columbia blue |
Trinity Catholic Jr./Sr. High School is a parochial, Roman Catholic junior/senior high school in Hutchinson, Kansas, United States. It is located within the Roman Catholic Diocese of Wichita. The school has classes from grades 7 through 12. For sports, it is classified as a 2A school with around 250 students. The school's principal is Joseph Godina.
The school is classified as a 2A school in Kansas according to the Kansas State High School Activities Association. During its history, Trinity Catholic has won nine state championships in various sports.
Trinity Catholic Jr./Sr. High School offers the following sports:
| State championships[1] | |||
|---|---|---|---|
| Season | Sport | Number of championships | Year |
| Fall | 1 | 1979 | |
| 3 | 2000, 2002, 2012 | ||
| 2 | 2001, 2002 | ||
| Winter | 1 | 1987 | |
| Spring | 1 | 2005 | |
| 1 | 2011 | ||
| Total | 9 | ||