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                                   EXHIBIT 31

              CERTIFICATION OF CHIEF EXECUTIVE OFFICER PURSUANT TO
                                 RULE 13A-14(a),
                       AS ADOPTED PURSUANT TO SECTION 302
                        OF THE SARBANES-OXLEY ACT OF 2002

I, Ron F. Hochstein, certify that:

1.   I have reviewed this annual report on Form 20-F of International Uranium
     Corporation.

2.   Based on my knowledge, this report does not contain any untrue statement of
     a material fact or omit to state a material fact necessary to make the
     statements made, in light of the circumstances under which such statements
     were made, not misleading with respect to the period covered by this
     report;

3.   Based on my knowledge, the financial statements, and other financial
     information included in this report, fairly present in all material
     respects the financial condition, results of operations and cash flows of
     the Company, as of, and for, the periods presented in this report;

4.   The Company's other certifying officer and I are responsible for
     establishing and maintaining disclosure controls and procedures (as defined
     in Exchange Act Rules 13a-15(e) and 15(d)-15e) for the Company and have:

     (a)  Designed such disclosure controls and procedures, or caused such
     disclosure controls and procedures to be designed under our supervision, to
     ensure that material information relating to the Company, including its
     consolidated subsidiaries, is made known to us by others within those
     entities, particularly during the period in which this report is being
     prepared;

     (b)  Evaluated the effectiveness of the Company's disclosure controls and
     procedures and presented in this report our conclusions about the
     effectiveness of the disclosure controls and procedures, as of the end of
     the period covered by this report based on such evaluation;

     (c)  Disclosed in this report any change in the Company's internal control
     over financial reporting that occurred during the period covered by the
     annual report that has materially affected, or is reasonably likely to
     materially affect, the Company's internal control over financial reporting;
     and

5.   The Company's other certifying officer and I have disclosed, based on our
     most recent evaluation of internal control over financial reporting, to the
     Company's auditors and the audit committee of the Company's board of
     directors (or persons performing the equivalent functions):

     (a)  All significant deficiencies and material weaknesses in the design or
     operation of internal control over financial reporting which are reasonably
     likely to adversely affect the Company's ability to record, process,
     summarize and report financial reporting; and

     (b)  Any fraud, whether or not material, that involves management or other
     employees who have a significant role in the Company's internal control
     over financial reporting.

Date: February 17, 2004

                                           /s/ Ron F. Hochstein
                                           -------------------------------------
                                           Ron F. Hochstein
                                           President and Chief Executive Officer

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              CERTIFICATION OF CHIEF FINANCIAL OFFICER PURSUANT TO
                                 RULE 13A-14(a),
                       AS ADOPTED PURSUANT TO SECTION 302
                        OF THE SARBANES-OXLEY ACT OF 2002

I, David C. Frydenlund, certify that:

1.   I have reviewed this annual report on Form 20-F of International Uranium
     Corporation.

2.   Based on my knowledge, this report does not contain any untrue statement of
     a material fact or omit to state a material fact necessary to make the
     statements made, in light of the circumstances under which such statements
     were made, not misleading with respect to the period covered by this
     report;

3.   Based on my knowledge, the financial statements, and other financial
     information included in this report, fairly present in all material
     respects the financial condition, results of operations and cash flows of
     the Company, as of, and for, the periods presented in this report;

4.   The Company's other certifying officer and I are responsible for
     establishing and maintaining disclosure controls and procedures (as defined
     in Exchange Act Rules 13a-15(e) and 15(d)-15e) for the Company and have:

     (a)  Designed such disclosure controls and procedures, or caused such
     disclosure controls and procedures to be designed under our supervision, to
     ensure that material information relating to the Company, including its
     consolidated subsidiaries, is made known to us by others within those
     entities, particularly during the period in which this report is being
     prepared;

     (b)  Evaluated the effectiveness of the Company's disclosure controls and
     procedures and presented in this report our conclusions about the
     effectiveness of the disclosure controls and procedures, as of the end of
     the period covered by this report based on such evaluation;

     (c)  Disclosed in this report any change in the Company's internal control
     over financial reporting that occurred during the period covered by the
     annual report that has materially affected, or is reasonably likely to
     materially affect, the Company's internal control over financial reporting;
     and

5.   The Company's other certifying officer and I have disclosed, based on our
     most recent evaluation of internal control over financial reporting, to the
     Company's auditors and the audit committee of the Company's board of
     directors (or persons performing the equivalent functions):

     (a)  All significant deficiencies and material weaknesses in the design or
     operation of internal control over financial reporting which are reasonably
     likely to adversely affect the Company's ability to record, process,
     summarize and report financial reporting; and

     (b)  Any fraud, whether or not material, that involves management or other
     employees who have a significant role in the Company's internal control
     over financial reporting.

Date: February 17, 2004

                                      /s/ David C. Frydenlund
                                      ------------------------------------------
                                      David C. Frydenlund
                                      Vice President and Chief Financial Officer