| name | heritage designation | image | status | Annual visitors | style | type | date completed | Capacity (people) | date Start construction | city | Website | administrative división | continent | Height (m) | Country | Religion | latitude (°) | longitude (°) | Website | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Our Lady of the Assumption Cathedral, Buka | Buka, Bougainville | website | Islands Region | Oceania | Papua New Guinea | Website | ||||||||||||||
| St. Mary's Cathedral, Port Moresby | Port Moresby | website | Papua Region | Oceania | Papua New Guinea | Website |