Other
- Southern Cross, Western Australia, town in Australia
- Southern Cross Cable, a submarine communications cable connecting New Zealand, Australia, Fiji, and the United States
- Informal name of Xanthosia rotundifolia, a plant found in Southwest Australia
- The Southern Cross (Argentina), an Argentine newspaper by Patrick Joseph Dillon (1842-1889), a Roman Catholic priest, editor, and politician
- The Southern Cross (South Africa), the official newspaper of the Southern African Catholic Bishops Conference
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