Exhibit  31.1

                             HARLEYSVILLE GROUP INC.

                            CERTIFICATION PURSUANT TO
                             18 U.S.C. SECTION 1350
           AS ENACTED BY SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I,  Walter  R.  Bateman,  certify  that:

1.   I  have reviewed this Quarterly Report on Form 10-Q of Harleysville
     Group Inc.;

2.   Based  on  my  knowledge,  this  report does not contain any untrue
     statement of  a  material  fact  or  omit  to  state a material fact
     to make the  necessary statements  made, in light of the circumstances
     under which such statements were  made,  not  misleading  with  respect
     to  the  period  covered  by this report;

3.   Based  on  my  knowledge,  the  financial statements, and other
     financial  information included in this report, fairly present in
     all material respects the  financial  condition,  results of operations
     and cash flows of the registrant as  of,  and  for,  the  periods
     presented  in  this  report;

4.   The  registrant's  other  certifying  officer  and  I are responsible
     for  establishing  and  maintaining disclosure controls and procedures
     (as defined in  Exchange  Act  Rules  13a-15(e)  and  15d(e))  for
     the  registrant  and  have;

     a.  Designed  such  disclosure  controls  and procedures, or caused such
         disclosure  controls  and  procedures  to  be designed under our
         supervision, to  ensure  that  material  information  relating  to
         the registrant, including its  consolidated  subsidiaries, is made
         known to us by others within those entities,  particularly  during
         the  period  in  which  this  report  is  being  prepared;

     b.  Evaluated  the effectiveness of the registrant's disclosure controls
         and  procedures  and  presented  in  this  report  our  conclusions
         about  the  effectiveness  of  the  disclosure controls and procedures,
         as of the end of the  period  covered  by  this  report  based  on
         such  evaluation;  and

     c.  Disclosed  in  this  report  any change in the registrant's internal
         control  over  financial  reporting  that  occurred during the
         registrant's most recent  fiscal quarter (the registrant's fourth
         fiscal quarter in the case of an  annual  report)  that  has
         materially           affected,  or  is  reasonably  likely to
         materially  affect,  the  registrant's internal control over
         financial reporting,  and

5.   The  registrant's other certifying officer and I have disclosed, based on
     our  most recent evaluation of internal control over financial reporting,
     to the  registrant's  auditors  and  the  audit  committee  of the
     registrant's board of  directors  (or  persons  performing  the  equivalent
     functions):

     a.  All  significant  deficiencies and material weaknesses in the design
         or  operation  of internal control over financial reporting which are
         reasonably  likely  to  adversely  affect  the registrant's  ability to
         record,  process,  summarize  and  report  financial  information;  and

     b.  Any  fraud,  whether  or  not  material, that involves management or
         other employees who have a significant role in the registrant's
         internal control  over  financial  reporting.


Date:  August  12,  2003         /s/  WALTER  R.  BATEMAN
       ------------------        ------------------------------
                                 Walter  R.  Bateman
                                 Chairman  of  the  Board  and
                                 Chief  Executive  Officer





Exhibit  31.2

                             HARLEYSVILLE GROUP INC.

                            CERTIFICATION PURSUANT TO
                             18 U.S.C. SECTIONS 1350
           AS ENACTED BY SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I,  Bruce  J.  Magee,  certify  that:

1.   I  have reviewed this Quarterly Report on Form 10-Q of Harleysville
     Group  Inc.;

2.   Based  on my knowledge, this report does not contain any untrue
     statement  of  a  material  fact  or  omit  to  state a material fact
     necessary to make the  statements  made, in light of the circumstances
     under which such statements were  made,  not  misleading  with  respect
     to  the  period  covered  by this report;

3.   Based  on  my  knowledge,  the  financial statements, and other
     financial  information included in this report, fairly present in
     all material respects the  financial  condition,  results of operations
     and cash flows of the registrant as  of,  and  for,  the  periods
     presented  in  this  report;

4.   The  registrant's  other  certifying  officer  and  I are responsible
     for  establishing  and  maintaining disclosure controls and procedures
     (as defined in  Exchange  Act  Rules  13a-15(e)  and  15d-15(e))  for
     the  registrant and have;

     a.  Designed  such  disclosure  controls  and procedures, or caused such
         disclosure  controls  and  procedures  to  be designed under our
         supervision, to  ensure  that  material  information  relating  to
         the registrant, including its  consolidated  subsidiaries, is made
         known to us by others within those entities,  particularly  during
         the  period  in  which  this  report  is  being  prepared;

     b.  Evaluated  the effectiveness of the registrant's disclosure controls
         and  procedures  and  presented  in  this  report  our  conclusions
         about  the  effectiveness  of  the  disclosure controls and procedures,
         as of the end of the  period  covered  by  this  report  based  on
         such  evaluation;  and

     c.  Disclosed  in  this  report  any change in the registrant's internal
         control  over  financial  reporting  that  occurred during the
         registrant's most  recent  fiscal quarter (the registrant's fourth
         fiscal quarter in the case of an annual  report)  that has
         materially affected,  or  is  reasonably  likely to  materially
         affect,  the  registrant's internal control over financial
         reporting,  and

5.   The  registrant's other certifying officer and I have disclosed, based on
     our  most recent evaluation of internal control over financial reporting,
     to the  registrant's  auditors  and  the  audit  committee  of the
     registrant's board of  directors  (or  persons  performing  the  equivalent
     functions):

     a.  All  significant  deficiencies and material weaknesses in the design
         or  operation  of internal control over financial reporting which are
         reasonably  likely  to  adversely  affect  the  registrant's
         ability  to           record,  process, summarize  and  report
         financial  information;  and

     b.  Any  fraud,  whether  or  not  material, that involves management or
         other employees who have a significant role in the registrant's
         internal control  over  financial  reporting.


Date:  August  12,  2003         /s/  BRUCE  J.  MAGEE
       -----------------         ----------------------------
                                 Bruce  J.  Magee
                                 Senior  Vice  President  and
                                 Chief  Financial  Officer