The South Island is the southern of the two main islands of New Zealand.

Look up South Island in Wiktionary, the free dictionary.

South Island may also refer to:

• South Island (McDonald Islands)
• South Island (South Australia), in Pondalowie Bay
• South Island, County Down, a townland in County Down, Northern Ireland
• Yuzhny Island, the southern of the two large islands of Novaya Zemlya
• South Island, Cocos (Keeling) Islands
• Suðuroy (South Island in Faroese), the southernmost of the Faroe Islands
• South Island (Kenya), an island on Lake Turkana, Kenya

• Austronesia
• South Island line
  • South Island line (West)
• South Island School
• North Island (disambiguation)

This disambiguation page lists articles about distinct geographical locations with the same name.
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