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EXHIBIT 31.1 

CERTIFICATION

I, J. Randall Martin, certify that; 

(1) 

I have reviewedthis Annual Report on Form 10-KSB of Colombia Goldfields Ltd.; 

(2) 

Based on myknowledge, this report does not contain any untrue statement of a material factor omit to state a material fact necessary to make the statements made, in lightof the circumstances under which such statements were made, not misleading withrespect to the period covered by this report; 

(3) 

Based on myknowledge, the financial statements, and other financial information included inthis report, fairly present in all material respects the financial condition,results of operations and cash flows of the small business issuer as of, andfor, the periods presented in this report; 

(4) 

The smallbusiness issuer’s other certifying officer(s) and I are responsible forestablishing and maintaining disclosure controls and procedures (as defined inExchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financialreporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for thesmall business issuer and have: 

a) 

Designed suchdisclosure controls and procedures, or caused such disclosure controls andprocedures to be designed under our supervision, to ensure that materialinformation relating to the small business issuer, including its consolidatedsubsidiaries, is made known to us by others within those entities, particularlyduring the period in which this report is being prepared; 

b) 

Designed suchinternal control over financial reporting, or caused such internal control overfinancial reporting to be designed under our supervision, to provide reasonableassurance regarding the reliability of financial reporting and the preparationof financial statements for external purposes in accordance with generallyaccepted accounting principles; 

c) 

Evaluated theeffectiveness of the small business issuer’s disclosure controls and proceduresand presented in this report our conclusions about the effectiveness of thedisclosure controls and procedures, as of the end of the period covered by thisreport based on such evaluation; and 

d) 

Disclosed inthis report any change in the small business issuer's internal control overfinancial reporting that occurred during the small business issuer's most recentfiscal quarter (the small business issuer’s fourth quarter in the case of anannual report) that has materially affected, or is reasonably likely tomaterially affect, the small business issuer's internal control over financialreporting; and 

(5) 

The smallbusiness issuer’s other certifying officer(s) and I have disclosed, based on ourmost recent evaluation of the internal control over financial reporting, to thesmall business issuer’s auditors and the audit committee of small businessissuer’s board of directors (or persons performing the equivalent functions):

a) 

All significantdeficiencies and material weaknesses in the design or operation of internalcontrol over financial reporting which are reasonably likely to adversely affectthe small business issuer’s ability to record, process, summarize and reportfinancial information; and 

b) 

Any fraud,whether or not material, that involves management or other employees who have asignificant role in the small business issuer’s internal control over financialreporting. 

Date: March 20, 2008 

/s/ J. Randall Martin            By: J. Randall Martin Title: Chief Executive Officer and Vice Chairman 

 

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