Immaculate Conception Cathedral, Apia, Roman Catholic cathedral in Apia, Samoa.

The Immaculate Conception Cathedral in Apia is a church building with timber ceilings crafted by hand and stained-glass windows that fill the interior with colored light. The space inside is large and open, designed to welcome many people at once.

In 1852 William Pritchard sold a plot in Mulivai to Bishop Bataillon, whose brother Jacques began a church and parish house; the first stone was blessed on 8 December 1852, and after epidemics and a cyclone in 1854 the church was completed in 1857. Damaged by the 2009 earthquake, it was demolished in March 2011 and replaced by a new cathedral about twice the size, consecrated on 2 June 2014.

The cathedral is the mother church of the Archdiocese of Samoa–Apia, created in 1966 by Pope Paul VI. Its name recalls the Immaculate Conception of Mary, and the building stands on the site of the 1857 church. The new cathedral was consecrated on 2 June 2014 in the presence of Archbishop Martin Krebs, the apostolic nuncio.

The building sits on Beach Road overlooking the harbor and is open daily for visitors and worshippers. It is best to visit in the early morning or late afternoon when the temperature is more comfortable.

Following the devastation from the 2009 earthquake, the place of worship was not merely restored but significantly enlarged to accommodate more people. This reconstruction fundamentally changed the capacity and role of the building in the city.