EXHIBIT 32.1
                                                                   ------------



                    CERTIFICATIONS PURSUANT TO SECTION 906
                       OF THE SARBANES-OXLEY ACT OF 2002


In connection with this annual report of Ivanhoe Mines Ltd. (the "Company") on
Form 40-F for the fiscal  year ending  December  31,  2007,  as filed with the
Securities and Exchange Commission on the date hereof (the "Report"),  I, John
Macken, Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C.
1350, as adopted  pursuant to Section 906 of the  Sarbanes-Oxley  Act of 2002,
that:

1.   The Report fully complies with the requirements of Section 13(a) or 15(d)
     of the Securities Exchange Act of 1934; and

2.   The information  contained in the Report fairly presents, in all material
     respects,  the  financial  condition  and  results of  operations  of the
     Company.



Date:    March 28, 2008



By:  /s/ John Macken
    -------------------------
    John Macken
    Chief Executive Officer