<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.

<MULTIPLIER> 1,000,000

                                        
<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
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                        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