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# Exhibit 12.1

# CERTIFICATION

I, Pablo Granifo, certify
that:

|1. | I
have reviewed this annual report on Form 20-F of Banco de Chile;
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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 company as of, and for, the periods
presented in this report;
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|4. | The
companys other certifying officers 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                   company and have:
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|(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;
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|(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; and
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|(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
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|5. | The
companys other certifying officers 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 information; and
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|(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.
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Date: June 25, 2004

| | /s/ Pablo Granifo
| | -----------------
| |                  
| | Name:            
| | Title:           

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