<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from the Form
10-Q of Alcan Aluminium Limited for the quarter ended 30 June 2000 and is
qualfied in its entirety by reference to such financial statements.

<MULTIPLIER> 1,000,000

                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-2000
<PERIOD-START>                             JAN-01-2000
<PERIOD-END>                               JUN-30-2000
<CASH>                                              88
<SECURITIES>                                         0
<RECEIVABLES>                                    1,468
<ALLOWANCES>                                         0
<INVENTORY>                                      1,308
<CURRENT-ASSETS>                                 2,864
<PP&E>                                          13,480
<DEPRECIATION>                                   6,582
<TOTAL-ASSETS>                                  10,276
<CURRENT-LIABILITIES>                            2,233
<BONDS>                                            803
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                        160
<COMMON>                                         1,222
<OTHER-SE>                                       4,281
<TOTAL-LIABILITY-AND-EQUITY>                    10,276
<SALES>                                          3,987
<TOTAL-REVENUES>                                 4,042
<CGS>                                            3,014
<TOTAL-COSTS>                                    3,014
<OTHER-EXPENSES>                                   230
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                  16
<INCOME-PRETAX>                                    517
<INCOME-TAX>                                       192
<INCOME-CONTINUING>                                327
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                       327
<EPS-BASIC>                                       1.48
<EPS-DILUTED>                                     1.48