EX-23 3 consent.htm consent
            CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM



The Board of Trustees of
Oppenheimer Developing Markets Fund

We consent to the use in this Registration Statement of Oppenheimer Developing
Markets Fund, of our report dated October 12, 2007, included in the Statement
of Additional Information, which is part of such Registration Statement, and
to the references to our firm under the headings "Financial Highlights"
appearing in the Prospectus, which is also part of such Registration Statement
and "Independent Registered Public Accounting Firm" appearing in the Statement
of Additional Information.



                                            /s/ KPMG LLP
                                            KPMG LLP

Denver, Colorado
November 26, 2007