Exhibit 23.1


                       CONSENT OF INDEPENDENT ACCOUNTANTS


     We consent to the incorporation by reference in the registration statement 
of BBN Corporation (formerly Bolt Beranek and Newman Inc.) on Form S-8 
(File No. 33-31385) of our report dated December 1, 1995, on our audits of the 
statement of net assets available for plan benefits of the Bolt Beranek and 
Newman Inc. Retirement Trust as of June 30, 1995 and 1994 and related 
statement of changes in net assets available for plan benefits for the year 
ended June 30, 1995, which is included on Form 11-K.


                                              COOPERS & LYBRAND L.L.P.



Boston, Massachusetts
December 20, 1995