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EXHIBIT 31.1 

CERTIFICATIONS

I, J. Randall Martin, certify that; 

(1) 

I have reviewedthis quarterly report on Form 10-Q 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 registrant as of, and for, theperiods presented in this report; 

(4) 

The registrant’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 theregistrant 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 registrant, including its consolidated subsidiaries,is made known to us by others within those entities, particularly during theperiod 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 registrant’s disclosure controls and procedures andpresented 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 in thisreport any change in the registrant’s internal control over financial reportingthat occurred during the registrant's most recent fiscal quarter (theregistrant’s fourth fiscal quarter in the case of an annual report) that hasmaterially affected, or is reasonably likely to materially affect, theregistrant’s internal control over financial reporting; and 

(5) 

The registrant’sother certifying officer(s) and I have disclosed, based on our most recentevaluation of the internal control over financial reporting, to the registrant’sauditors and the audit committee of the registrant’s board of directors (orpersons 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 registrant’s ability to record, process, summarize and report financialinformation; and 

b) 

Any fraud,whether or not material, that involves management or other employees who have asignificant role in the registrant’s internal control over financial reporting.

Date: November 11, 2008 

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

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