| Jurisdiction: | Eparchy |
| Saint Nicholas of Chicago | |
| Latin: | Eparchia Sancti Nicolai Chicagiensis Ucrainorum |
| Territory: | Western United States, all of the Midwest (except Ohio), Alaska, and Hawaii |
| Province: | Ukrainian Catholic Metropolia of Philadelphia |
| Headquarters: | Chicago, Illinois, United States |
| Catholics: | 12,500 |
| Denomination: | Catholic Church |
| Sui Iuris Church: | Ukrainian Greek Catholic Church |
| Rite: | Byzantine Rite |
| Established: | July 14, 1961 |
| Cathedral: | St. Nicholas Ukrainian Catholic Cathedral |
| Major Archbishop: | Sviatoslav Shevchuk |
| Bishop: | Venedykt Aleksiychuk, M.S.U. |
| Bishop Title: | Bishop |
| Website: | Ukrainian Catholic Eparchy of Saint Nicholas of Chicago |
The Ukrainian Catholic Eparchy of Saint Nicholas of Chicago is a Ukrainian Greek Catholic Church ecclesiastical territory or eparchy of the Catholic Church in the whole Western United States and Midwest (except Ohio), Alaska, and Hawaii., the St. Nicholas Eparchy has 43 churches and missions in the western USA.
The bishop of the eparchy is Venedykt Aleksiychuk . St. Nicholas Ukrainian Catholic Cathedral is the mother church of the eparchy. The Eparchy of Chicago is a suffragan eparchy in the ecclesiastical province of the metropolitan Archeparchy of Philadelphia.
The eparchy is one of four suffragan eparchies of the Ukrainian Catholic Metropolia of Philadelphia, which also includes the Ukrainian Catholic Archeparchy of Philadelphia, the Ukrainian Catholic Eparchy of Stamford, and the Ukrainian Catholic Eparchy of Parma.[1]
The eparchy governs parishes, which are located in the following states: