Exhibit 99.15
             CERTIFICATION OF CHIEF EXECUTIVE OFFICER
                 PURSUANT TO 18 U.S.C. SECTION 1350



The undersigned, William C. Weldon, the Chief Executive Officer of
Johnson  &  Johnson,  a New Jersey corporation   (the  "Company"),
pursuant  to  18 U.S.C.  1350, as adopted pursuant to Section  906
of the Sarbanes-Oxley Act of 2002, hereby certifies that:

     (1)the  Company's Quarterly Report on Form 10-Q  for  the
         fiscal  quarter ended March 30, 2003   (the  "Report)
         fully complies with the requirements of Section 13(a)
         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 Company.



                                   /s/ William C. Weldon
                                   William C. Weldon
                                   Chief Executive Officer


Dated:  May 12, 2003


This  certification accompanies this Report on Form 10-Q  pursuant
to  Section  906 of the Sarbanes-Oxley Act of 2002 and shall  not,
except to the extent required by such Act, be deemed filed by  the
Company for purposes of Section 18 of the Securities Exchange  Act
of  1934,  as  amended.  A signed original of  this  certification
statement has been provided to the Company and will be retained by
the   Company  and  furnished  to  the  Securities  and   Exchange
Commission upon request.

             CERTIFICATION OF CHIEF FINANCIAL OFFICER
                PURSUANT TO 18 U.S.C. SECTION 1350



The  undersigned, Robert J. Darretta, the Chief Financial  Officer
of  Johnson  & Johnson, a New Jersey corporation  (the "Company"),
pursuant  to  18 U.S.C.  1350, as adopted pursuant to Section  906
of the Sarbanes-Oxley Act of 2002, hereby certifies that:

     (1) the  Company's Quarterly Report on Form 10-Q for  the
          fiscal  quarter ended March 30, 2003  (the  "Report)
          fully  complies  with  the requirements  of  Section
          13(a) 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 Company.



                                   /s/ Robert J. Darretta
                                          Robert J. Darretta
                                          Chief Financial Officer


Dated:  May 12, 2003



This  certification accompanies this Report on Form 10-Q  pursuant
to  Section  906 of the Sarbanes-Oxley Act of 2002 and shall  not,
except to the extent required by such Act, be deemed filed by  the
Company for purposes of Section 18 of the Securities Exchange  Act
of  1934,  as  amended.  A signed original of  this  certification
statement has been provided to the Company and will be retained by
the   Company  and  furnished  to  the  Securities  and   Exchange
Commission upon request.