Exhibit (n)(3)

                                POWER OF ATTORNEY

KNOW ALL PEOPLE BY THESE PRESENTS, that the undersigned officers and/or
trustees of Blackstone Secured Lending Fund, a Delaware statutory trust (the
"Company"), do hereby constitute and appoint each of Brad Marshall, Carlos
Whitaker, Stephan Kuppenheimer, Katherine Rubenstein, and Marisa J. Beeney as
his or her true and lawful attorneys and agents, with full power and authority
(acting separately and without the other) to execute in the name and on behalf
of the undersigned as such officers and/or trustees, (i) a registration
statement on Form N-2 of the Company, including any pre-effective amendments
and/or any post-effective amendments thereto and any subsequent registration
statement of the Company pursuant to Rule 462(b) of the Securities Act of 1933,
as amended (the "1933 Act"), and any other filings in connection therewith, and
to file the same under the 1933 Act or the Investment Company Act of 1940, as
amended, or otherwise, with respect to the registration of the Company or the
registration or offering of the Company's common shares, preferred shares, debt
securities, warrants, subscription rights and units, granting to such attorneys
and agents and each of them, full power of substitution and revocation in the
premises, and ratifying and confirming all that such attorneys and agents, or
any of them, may do or cause to be done by virtue of these presents or (ii) any
statement of beneficial ownership on Form 3, 4 or 5 to be filed with the United
States Securities and Exchange Commission.

All past acts of an attorney-in-fact in furtherance of the foregoing are hereby
ratified and confirmed.

This Power of Attorney may be executed in multiple counterparts, each of which
shall be deemed an original, but which taken together shall constitute one
instrument.

This Power of Attorney shall be valid from the date hereof until revoked by the
undersigned.

IN WITNESS WHEREOF, I have executed this instrument as of the 25th day of July,
2022.


/s/ Brad Marshall         Trustee, Chairperson, and Chief Executive Officer
-------------------------
Brad Marshall

/s/ Carlos Whitaker       President
-------------------------
Carlos Whitaker

/s/ Stephan Kuppenheimer  Chief Financial Officer
-------------------------
Stephan Kuppenheimer

/s/ Katherine Rubenstein  Chief Operating Officer
-------------------------
Katherine Rubenstein

/s/ Beth Chartoff         Public Relations Officer
-------------------------
Beth Chartoff

/s/ Marisa J. Beeney      Chief Compliance Officer, Chief Legal Officer and
------------------------      Secretary
Marisa J. Beeney

/s/ Vikrant Sawhney       Trustee
------------------------
Vikrant Sawhney

/s/ Michelle Greene       Trustee
------------------------
Michelle Greene

/s/ Robert Bass           Trustee
------------------------
Robert Bass

/s/ James F. Clark        Trustee
------------------------
James F. Clark

/s/ Tracy Collins         Trustee
------------------------
Tracy Collins

/s/ Vicki L. Fuller       Trustee
------------------------
Vicki L. Fuller