The 25th parallel south is a circle of latitude that is 25 degrees south of the Earth's equatorial plane, just south of the Tropic of Capricorn. It crosses the Atlantic Ocean, Africa, the Indian Ocean, Australasia, the Pacific Ocean and South America.
Starting at the Prime Meridian and heading eastwards, the parallel 25° south passes through:
| Coordinates | Country, territory or ocean | Notes | |
|---|---|---|---|
| Atlantic Ocean | |||
| Northern Cape Northernmost tip in Kalahari | |||
| North West Limpopo Mpumalanga | |||
| Indian Ocean | Mozambique Channel | ||
| Indian Ocean | |||
| Western Australia - Dorre Island | |||
| Indian Ocean | Geographe Channel | ||
| Western Australia Northern Territory Queensland | |||
| Pacific Ocean | Coral Sea | ||
| Queensland - Fraser Island | |||
| Pacific Ocean | Coral Sea | ||
| Passing just north of Pitcairn Island | |||
| Paraná - for about 15 km; passing just north of Curitiba São Paulo - for about 20 km | |||
| Atlantic Ocean |