EXHIBIT 15

                              Acknowledgment Letter

To the Stockholders and Board of Directors
NAC Re Corporation

We are aware of the incorporation by reference in the Registration Statements
(Form S-8 No. 33-25585 and Form S-8 No. 33-77494) pertaining to the NAC Re Corp.
Employee Stock Purchase Plan, in the Registration Statement (Form S-8 No.
33-27745) pertaining to the NAC Re Corp. 1989 Stock Option Plan, in the
Registration Statement (Form S-8 No. 7813) pertaining to the NAC Re Corp. 1985
and 1986 Stock Option Plans, in the Registration Statements (Form S-8 No.
33-22841 and Form S-8 No. 333-03935) pertaining to the NAC Re Corp. Employee
Savings Plan, in the Registration Statement (Form S-8 No. 33-34516) pertaining
to the NAC Re Corp. Director's Stock Option Plan, in the Registration Statement
(Form S-8 No. 33-77492) pertaining to the NAC Re Corp. Director's Stock Option
Plan, and in the Registration Statement (Form S-8 No. 33-77114) pertaining to
the NAC Re Corp. 1993 Stock Option Plan of our report dated July 22, 1997,
relating to the unaudited consolidated interim financial statements of NAC Re
Corporation that is included in its Form 10-Q for the quarter ended June 30,
1997.

                                                               ERNST & YOUNG LLP

New York, New York
July 22, 1997