UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                    Form 13F

                               FORM 13F COVER PAGE

Report for the Calendar Year or Quarter Ended: March 31, 2013

Check here if Amendment [ ]; Amendment Number:
                                              ---------------
 This Amendment (Check only one.): [ ] is a restatement.
                                   [ ] adds new holdings entries.

Institutional Investment Manager Filing this Report:

Name:      Kemnay Advisory Services Inc.
Address:   45 Rockefeller Plaza Suite 2100
           New York, NY 10111

Form 13F File Number: 28-15301

The institutional investment manager filing this report and the person by whom
it is signed hereby represent that the person signing the report is authorized
to submit it, that all information contained herein is true, correct and
complete, and that it is understood that all required items, statements,
schedules, lists, and tables, are considered integral parts of this form.

Person Signing this Report on Behalf of Reporting Manager:

Name:      Robert J. Kirby
Title:     Chief Operating Officer
Phone:     (212) 218-6970

Signature, Place, and Date of Signing:

/s/ Robert J. Kirby      New York, NY                 05/15/2013
------------------------ ---------------------------- --------------------------
    [Signature]               [City, State]             [Date]

Report Type (Check only one.):

[X]  13F HOLDINGS REPORT. (Check here if all holdings of this reporting
     manager are reported in this report.)

[ ]  13F NOTICE.(Check here if no holdings reported are in this report, and
     all holdings are reported by other reporting manager(s).)

[ ]  13F COMBINATION REPORT. (Check here if a portion of the holdings for
     this reporting manager are reported in this report and a portion are
     reported by other reporting manager(s).)

List of Other Managers Reporting for this Manager:
[If there are no entries in this list, omit this section.]    NONE

      Form 13F File Number              Name

      28- -----------------             -------------------------------------
      [Repeat as necessary.]




                              FORM 13F SUMMARY PAGE

Report Summary:

Number of Other Included Managers:        0
                                          -----------------
Form 13F Information Table Entry Total:   15
                                          -----------------
Form 13F Information Table Value Total:   $213,862
                                          -----------------
                                             (thousands)

List of Other Included Managers:

Provide a numbered list of the name(s) and Form 13F file number(s) of all
institutional investment managers with respect to which this report is filed,
other than the manager filing this report.
                                          NONE

[If there are no entries in this list, state "NONE" and omit the column headings
and list entries.]

    No.      Form 13F File Number            Name

    -----    28- -------------------         -------------------------------

   [Repeat as necessary.]




                           FORM 13F INFORMATION TABLE


           COLUMN 1             COLUMN 2      COLUMN 3  COLUMN 4     COLUMN 5      COLUMN 6  COLUMN 7     COLUMN 8
          ----------           ----------     --------- -------- ---------------- ---------- -------- ----------------
                                                                                                      Voting Authority
                                                         Value   Shrs or Sh/ Put/ Investment  Other   ----------------
        Name of Issuer       Title of Class     CUSIP   (x$1000) Prn Amt Prn Call Discretion Manager  Sole Shared None
---------------------------- ---------------- --------- -------- ------- --- ---- ---------- -------- ---- ------ ----
                                                                                 


BRITISH AMERN TOB PLC        SPONSORED ADR    110448107    14559  136000 SH          SOLE              x
COCA COLA CO                 COM              191216100    15165  375000 SH          SOLE              x
COLGATE PALMOLIVE CO         COM              194162103    15462  131000 SH          SOLE              x
COMPANHIA DE BEBIDAS DAS AME SPON ADR PFD     20441W203    14032  331500 SH          SOLE              x
DU PONT E I DE NEMOURS & CO  COM              263534109    15018  305500 SH          SOLE              x
GENERAL ELECTRIC CO          COM              369604103    15236  659000 SH          SOLE              x
JOHNSON & JOHNSON            COM              478160104    15898  195000 SH          SOLE              x
KIMBERLY CLARK CORP          COM              494368103    16020  163500 SH          SOLE              x
KRAFT FOODS GROUP INC        COM              50076Q106     7661  148667 SH          SOLE              x
MONDELEZ INTL INC            CL A             609207105     8188  267500 SH          SOLE              x
PEPSICO INC                  COM              713448108    15664  198000 SH          SOLE              x
PFIZER INC                   COM              717081103    15758  546000 SH          SOLE              x
PHILIP MORRIS INTL INC       COM              718172109    15019  162000 SH          SOLE              x
UNILEVER N V                 N Y SHS NEW      904784709    14699  358500 SH          SOLE              x
VODAFONE GROUP PLC NEW       SPONS ADR NEW    92857W209    15483  545000 SH          SOLE              x