The 3rd parallel south is a circle of latitude that is 3 degrees south of the Earth's equatorial plane. It crosses the Atlantic Ocean, Africa, the Indian Ocean, Southeast Asia, Australasia, the Pacific Ocean and South America.

Around the world

Starting at the Prime Meridian and heading eastwards, the parallel 3° south passes through: ! scope="col" width="125" | Coordinates ! scope="col" | Country, territory or sea ! scope="col" | Notes ! scope="row" style="background:#b0e0e6;" | Atlantic Ocean ! scope="row" | 🇬🇦 ! scope="row" | 🇨🇬 ! scope="row" | 🇨🇩 ! scope="row" | 🇧🇮 ! scope="row" | 🇹🇿 ! scope="row" | 🇰🇪 ! scope="row" style="background:#b0e0e6;" | Indian Ocean ! scope="row" | 🇮🇩 ! scope="row" style="background:#b0e0e6;" | Mentawai Strait ! scope="row" | 🇮🇩 ! scope="row" style="background:#b0e0e6;" | Bangka Strait ! scope="row" | 🇮🇩 ! scope="row" style="background:#b0e0e6;" | Java Sea ! scope="row" | 🇮🇩 ! scope="row" style="background:#b0e0e6;" | Java Sea ! scope="row" | 🇮🇩 ! scope="row" style="background:#b0e0e6;" | Java Sea ! scope="row" | 🇮🇩 ! scope="row" style="background:#b0e0e6;" | Makassar Strait ! scope="row" | 🇮🇩 ! scope="row" style="background:#b0e0e6;" | Gulf of Boni ! scope="row" | 🇮🇩 ! scope="row" style="background:#b0e0e6;" | Banda Sea ! scope="row" | 🇮🇩 ! scope="row" style="background:#b0e0e6;" | Ceram Sea ! scope="row" | 🇮🇩 ! scope="row" style="background:#b0e0e6;" | Cenderawasih Bay ! scope="row" | 🇮🇩 ! scope="row" | 🇵🇬 ! scope="row" style="background:#b0e0e6;" | Pacific Ocean ! scope="row" | 🇵🇬 ! scope="row" style="background:#b0e0e6;" | Pacific Ocean ! scope="row" | 🇵🇬 ! scope="row" style="background:#b0e0e6;" | Pacific Ocean ! scope="row" | 🇪🇨 ! scope="row" style="background:#b0e0e6;" | Pacific Ocean ! scope="row" | 🇪🇨 ! scope="row" | 🇵🇪 ! scope="row" | 🇨🇴 ! scope="row" | 🇧🇷 ! scope="row" style="background:#b0e0e6;" | Atlantic Ocean