| Holy Mother of God Katoghike Church of Avan | |
|---|---|
Ավանի Սուրբ Աստվածածին Կաթողիկե Եկեղեցի | |
 Katoghike Tsiranavor Church of Avan | |
| Religion | |
| Affiliation | Armenian Apostolic Church |
| Location | |
| Location | Avan District, Yerevan, Armenia |
  Shown within Armenia | |
| Geographic coordinates | 40°12′54″N 44°34′19″E / 40.215048°N 44.571965°E |
| Architecture | |
| Type | Radiating (Hripsime); Inner octagon with cylindrical niches |
| Style | Armenian |
| Completed | 6th century |
| Dome(s) | Thought to have had 5 (a single larger dome in the center, and 4 cupolas at each corner). |
Holy Mother of God Cathedral of Avan (Armenian: Ավանի Սուրբ Աստվածածին Կաթողիկե Եկեղեցի, romanized: Avani Surb Astvatsatsin Kat’oghike Yekeghets’i; also known as the church of Katoghike Tsiranavor, later renamed Surp Hovhannes) is a ruined 6th-century church located in the Avan District of Yerevan, the capital of Armenia. It is the oldest surviving church inside Yerevan's city limits.