The Southern Cross is an Argentine newspaper founded on January 16, 1875, by Patrick Joseph Dillon (1842–1889), a Roman Catholic priest, editor and politician, born in Tuam, east County Galway, Ireland.

Dillon was appointed a deputy for Buenos Aires Province and president of the Presidential Affairs Commission amongst other positions.

[1] The Southern Cross was the first entirely Roman Catholic English language publication in Buenos Aires, and continues in print to this day on a monthly basis.

A downloadable version can be obtained at The Southern Cross website.

Published by Editorial Irlandesa S.A., the paper provides readers with a beginners' guide to the Irish language, helping Irish Argentines keep in touch with their cultural heritage.