- Graeme Hart (New Zealand): Estimated Net Worth: $10.8 Billion
- Richard Chandler (New Zealand): Estimated Net Worth: $5.5 Billion
- Anthony Pratt (Australia): Estimated Net Worth: $5.4 Billion
- Harry Triguboff (Australia): Estimated Net Worth: $5.2 Billion
- David Teoh (Malaysia): Estimated Net Worth: $4.9 Billion
- Charles Feeney (Australia): Estimated Net Worth: $4.7 Billion
- David Walsh (Australia): Estimated Net Worth: $4.6 Billion
- Clive Palmer (Australia): Estimated Net Worth: $4.5 Billion
- John Gandel (Australia): Estimated Net Worth: $4.2 Billion
- Li Ka-shing (Hong Kong): Estimated Net Worth: $3.9 Billion
It's important to note that wealth estimates can change over time due to various factors such as market fluctuations and changes in personal circumstances. Additionally, there may be other individuals in the South Pacific region who have become millionaires or billionaires since September 2021. For the most up-to-date information, it's recommended to refer to reputable sources that track the wealth of individuals and families.
