Exhibit 12.a

Certification CEO

I, G.J. Wijers, certify that:

|1. | I have reviewed this Annual
        Report on Form 20-F of Akzo Nobel N.V., a company incorporated under
        the laws of the Netherlands;                                                                                                                                                                                             
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|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;
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|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 registrant as of, and for,
        the periods presented in this report;                   
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|4. | The registrant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 15d-15(e)) for the registrant and have:                                                                                       
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|   | a.                                                                                                                                                                                                                                                                                                                                        
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|   | b.                                                                                                                                                                                                                                                                                                                                        
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|   | c.                                                                                                                                                                                                                                                                                                                                        
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|5. | The registrants other
        certifying officer and I have disclosed, based on our most recent evaluation
        of internal control over financial reporting, to the registrants
        auditors and the Audit Committee of the registrants Supervisory
        Board (or persons performing the equivalent functions):            
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|   | a.                                                                                                                                                                                                                                                                                                                                        
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|   | b.                                                                                                                                                                                                                                                                                                                                        



|Date: |  | June 16, 2005 |  | By:    |  | /s/ G.J. Wijers                    
|----- |  | ------------- |  | ------ |  | -----------------------------------
|      |  |               |  |        |  |                                    
|      |  |               |  | Name:  |  | G.J. Wijers                        
|      |  |               |  |        |  |                                    
|      |  |               |  | Title: |  | Chairman of the Board of Management
|      |  |               |  |        |  |                                    

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