| Building Name: | Saint Jacob of Nisibis Church of New Julfa |
| Location: | New Julfa, Isfahan, Iran |
| Map Type: | Iran |
| Religious Affiliation: | Armenian Apostolic Church |
| Rite: | Armenian |
| Functional Status: | Functioning |
| Architecture: | yes |
| Architecture Style: | Isfahani |
| Year Completed: | 1607 |
Saint Jacob of Nisibis Church of New Julfa, (Armenian: Armenian: Նոր Ջուղայի Հակոբ Մծբնա Հայրապետ Մատուռ, Persian: Persian: کلیسای هاکوپ مقدس), is an Armenian Apostolic church in New Julfa, Iran. It is located inside St. Mary Church and is considered the oldest surviving church in New Julfa.
Saint Jacob Church was built in 1607. Later in 1613, a larger church, by the name of St. Mary Church, was built beside it. The church is currently used as a separate chapel inside St. Mary Church. [1] There are a few stone crosses inside the church, the oldest of which is dated 1607. It was renovated in 1890. [2]