SECURITIES AND EXCHANGE COMMISSION
                            Washington, D. C.  20549
                                   Form 8 - K
                                 Current Report



      Pursuant to Section 13 or 15 (d) of the Securities Exchange Act of 1934
      Date of Report (Date of earliest event reported)    Sepember 12, 1997
                               S & T Bancorp, Inc.
               (Exact name of registrant as specified in its charter)

      Pennsylvania                 0-12508                 25-1434426
      (State or other jurisdiction (Commission File        (IRS Employer
      of incorporation)            Number)                 identification No.)

      P. O. Box 190,  800 Philadelphia Street, Indiana PA   15701
      (Address of principal executive offices)              Zip Code

      Registrant's telephone number, including area code    (412) 349-2900


Item 5 - Other Events

     On September 18, 1997, the Board of Directors of S&T Bancorp announced that
it has accepted Robert D. Duggan's retirement plans.  Duggan intends to retire
as chief executive officer of the Corporation and S&T Bank, effective December
31, 1997.  Duggan has been the chief executive officer of S&T Bancorp and S&T
Bank since 1982.  He will remain the chairman of both Board of Directors.

     James C. Miller, president and chief operating officer of S&T Bancorp and
S&T Bank , will become chief executive officer of both organizations, effective
January 2, 1998.  Mr. Miller has been the chief operating officer of the holding
company and the bank since 1993.  Mr. Miller joined S&T Bank in 1983, when S&T
acquired Unibank in Brookville, PA where he was an Executive Vice President.

     On September 12, 1997, Robert D. Duggan, chairman and chief executive  
officer of S&T Bancorp, announced that Jeffrey D. Grube and Alan Papernick    
have been appointed to the S&T Bancorp Board of Directors.              

     Mr. Grube is president of B.F.G. Electroplating and Manufacturing Company
and graduated from Carnegie Mellon University, Pittsburgh, with a       
bachelor of science degree in electrical engineering.  Mr. Papernick,  
an attorney, is senior partner in the Pittsburgh law firm, Papernick and   
Gefsky.  He graduated from Duquesne University, Pittsburgh, with a       
juris doctorate degree and the University of Pittsburgh with a bachelor of
arts degree.


Item 7 -  Financial Statements, Proforma Financial Information and Exhibits 

      (c) Exhibits
               (99) Press Release
               (99.1) Press Release




SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the 
registrant has duly caused this report to be signed by the undersigned  
thereunto duly authorized.


                                                   S & T Bancorp, Inc.

September 22, 1997
                                                   By: /s/ Robert E. Rout  
                                                     Robert E. Rout
                                                     Chief Financial Officer