<TABLE> <S> <C>
<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from the Form
10-Q of Alcan Aluminium Limited for the quarter ended 30 September 2000 and is
qualfied in its entirety by reference to such financial statements.
</LEGEND>
<MULTIPLIER> 1,000,000
<S> <C>
<PERIOD-TYPE> 9-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> SEP-30-2000
<CASH> 91
<SECURITIES> 0
<RECEIVABLES> 1,333
<ALLOWANCES> 0
<INVENTORY> 1,397
<CURRENT-ASSETS> 2,821
<PP&E> 13,686
<DEPRECIATION> 6,631
<TOTAL-ASSETS> 10,406
<CURRENT-LIABILITIES> 1,897
<BONDS> 1,394
0
160
<COMMON> 1,184
<OTHER-SE> 4,199
<TOTAL-LIABILITY-AND-EQUITY> 10,406
<SALES> 5,966
<TOTAL-REVENUES> 6,046
<CGS> 4,544
<TOTAL-COSTS> 4,544
<OTHER-EXPENSES> 350
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 28
<INCOME-PRETAX> 728
<INCOME-TAX> 226
<INCOME-CONTINUING> 508
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 508
<EPS-BASIC> 2.33
<EPS-DILUTED> 2.33
</TABLE>