<DOCUMENT>
<TYPE>EX-32.1
<SEQUENCE>4
<FILENAME>doc3.txt
<DESCRIPTION>EXHIBIT 32.1
<TEXT>

                                                                    Exhibit 32.1


      CERTIFICATION OF CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER
                                   PURSUANT TO
                             18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                 SECTION 906 OF TEHE SARBANES-OXLEY ACT OF 2002


I, John Terwilliger, certify, pursuant to 18 U.S.C. Section 1350, as adopted
pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Annual
Report of Houston American Energy Corp. on Form 10-KSB/A, Amendment No. 1, for
the year ended December 31, 2003 fully complies with the requirements of Section
13(a) or 15(d) of the Securities Exchange Act of 1934 and that information
contained in such Form 10-KSB/A, Amendment No. 1, fairly presents in all
material respects the financial condition and results of operations of Houston
American Energy Corp.


                                   By:    /s/ John Terwilliger
                                   Name:  John Terwilliger
                                   Title: Chief Executive Officer and
                                            Chief Financial Officer
                                   Dated: April 16, 2004


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</TEXT>
</DOCUMENT>
