St Anne's Cathedral or St. Ann's Cathedral may refer to:
Brazil St. Ann Cathedral, Caicó, Rio Grande do Norte St. Ann Cathedral, Feira de Santana, Bahia St. Ann Cathedral, Mogi das Cruzes, São Paulo St. Ann Cathedral, Ponta Grossa, Paraná St. Ann Cathedral, Uruguaiana, Rio Grande do Sul
Ivory Coast St. Ann Cathedral, Gagnoa
United Kingdom St Anne's Cathedral, Leeds St Anne's Cathedral, Belfast
United States St. Ann's Cathedral (Great Falls, Montana) St. Ann's Armenian Catholic Cathedral, New York, New York
See also Church of St. Ann