The Holy Name Cathedral was a planned but never-built Roman Catholic cathedral for the city of Brisbane, Queensland, Australia. Designed by Hennessy, Hennessy & Co, initially in an English Baroque style inspired by St Paul's in London, it was intended to have been the largest church building of any Christian denomination in the Southern Hemisphere. James Duhig, the Archbishop of Brisbane, was the chief proponent of the project.

Hennessy & Hennessy was an architectural firm established in 1912 in Sydney, Australia that was responsible for a series of large scale office buildings in the 1930s in all capital cities in Australia, as well as New Zealand and South Africa, designed by John (Jack) Hennessy (1887–1955), described as Australia's first international architect.