18th parallel south

Starting at the Prime Meridian and heading eastwards, the parallel 18° south passes through:

Co-ordinates	Country, territory or ocean	Notes
18°0′S 0°0′E	Atlantic Ocean
18°0′S 11°49′E	Namibia
18°0′S 20°41′E	Angola
18°0′S 20°53′E	Namibia	Caprivi Strip
18°0′S 21°22′E	Angola
18°0′S 21°34′E	Namibia	Caprivi Strip
18°0′S 24°18′E	Botswana
18°0′S 24°28′E	Namibia	Caprivi Strip
18°0′S 24°37′E	Botswana
18°0′S 25°16′E	Zimbabwe
18°0′S 25°57′E	Zambia	For about 3 km
18°0′S 25°59′E	Zimbabwe
18°0′S 26°34′E	Zambia
18°0′S 26°49′E	Zimbabwe	Passing just south of Harare
18°0′S 32°57′E	Mozambique
18°0′S 37°0′E	Indian Ocean	Mozambique Channel
18°0′S 44°1′E	Madagascar
18°0′S 49°25′E	Indian Ocean
18°0′S 122°11′E	Australia	Western Australia
18°0′S 122°12′E	Indian Ocean	Roebuck Bay - passing just south of Broome, Western Australia
18°0′S 122°22′E	Australia	Western Australia Northern Territory Queensland
18°0′S 146°4′E	Pacific Ocean	Passing through  Australia's Coral Sea Islands Territory Passing just south of Efate island,  Vanuatu
18°0′S 168°42′E	Pacific Ocean
18°0′S 177°16′E	Fiji	Island of Viti Levu
18°0′S 178°38′E	Pacific Ocean	Koro Sea
18°0′S 179°14′E	Fiji	Island of Gau
18°0′S 179°21′E	Pacific Ocean	Koro Sea
18°0′S 179°3′W	Fiji	Island of Nayau
18°0′S 179°2′W	Pacific Ocean	Passing just north of Fonualei,  Tonga Passing just north of Palmerston Island,  Cook Islands Passing just south of the islands of Tahiti, Mehetia and Reitoru,  French Polynesia
18°0′S 142°18′W	French Polynesia	Marokau atoll
18°0′S 142°11′W	Pacific Ocean	Passing between the atolls of Hao and Amanu,  French Polynesia
18°0′S 70°53′W	Peru
18°0′S 69°45′W	Chile
18°0′S 69°9′W	Bolivia
18°0′S 57°38′W	Brazil	Mato Grosso do Sul Mato Grosso - for about 11 km Mato Grosso do Sul - for about 9 km Mato Grosso - for about 16 km Mato Grosso do Sul - for about 22 km Mato Grosso - for about 18 km Goiás Minas Gerais Espírito Santo Bahia
18°0′S 39°29′W	Atlantic Ocean

• 17th parallel south
• 19th parallel south