Exhibit 12(b)

I, Sean Dranfield, President and I, Karen Buiter, Treasurer of the Henderson
Global Funds (the "Trust"), each certify that:

1.   The Form  N-CSR of the  Trust  for the  period  ended  July 31,  2006  (the
     "Report") fully complies with the requirements of Section 13(a) or 15(d) of
     the Securities Exchange Act of 1934; and

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


By:      /s/ Sean Dranfield
         ------------------
         Sean Dranfield
         President (principal executive officer) of Henderson Global Funds

Date:    September 21, 2006


By:      /s/ Karen Buiter
         ----------------
         Karen Buiter
         Treasurer (principal financial officer) of Henderson Global Funds

Date:    September 21, 2006