CERTIFICATION PURSUANT TO RULE 30A-2(B) UNDER THE 1940 ACT AND SECTION 906 OF
                             THE SARBANES-OXLEY ACT

I, James A. Bowen, Chairman of the Board,  President and Chief Executive Officer
of First  Trust/Aberdeen  Global  Opportunity  Income Fund (the "Registrant"),
certify that:

         1.     The Form N-CSR of the Registrant (the "Report")  fully complies
                with the  requirements of Section 13(a) or 15(d) of the
                Securities Exchange Act of 1934, as amended; and

         2.     The information  contained in the Report fairly presents, in all
                material  respects,  the  financial  condition  and  results  of
                operations of the Registrant.

Date:    SEPTEMBER 1, 2005              /S/ JAMES A. BOWEN
     ----------------------             ---------------------------------------
                                        James A. Bowen, Chairman of the Board,
                                        President and Chief Executive Officer
                                        (principal executive officer)

I, Mark R. Bradley,  Treasurer,  Controller,  Chief Financial  Officer and Chief
Accounting Officer of First  Trust/Aberdeen  Global Opportunity Income Fund (the
"Registrant"), certify that:

         1.     The Form N-CSR of the Registrant (the "Report")  fully complies
                with the  requirements of Section 13(a) or 15(d) of the
                Securities Exchange Act of 1934, as amended; and

         2.     The information  contained in the Report fairly presents, in all
                material  respects,  the  financial  condition  and  results  of
                operations of the Registrant.

Date:    SEPTEMBER 1, 2005              /S/ MARK R. BRADLEY
     -----------------------            ---------------------------------------
                                        Mark R. Bradley, Treasurer, Controller,
                                        Chief Financial Officer and Chief
                                        Accounting Officer
                                        (principal financial officer)