| Styles of John Bernard McDowell | |
|---|---|
 | |
| Reference style | The Most Reverend |
| Spoken style | Your Excellency |
| Religious style | Monsignor |
John Bernard McDowell (July 17, 1921 – February 25, 2010) was an American prelate of the Roman Catholic Church who served as Auxiliary bishop of the Diocese of Pittsburgh in Pennsylvania from 1966 to 1996.