| John Dornan | |
| Country: | United States |
| Fullname: | John Pickens Dornan |
| Birth Date: | 11 August 1880 |
| Birth Place: | Germantown, Pennsylvania, U.S. |
| Death Place: | United States |
| Role: | Occasional wicket-keeper |
| International: | true |
| Club1: | Canada and United States of America |
| Year1: | 1913 |
| Columns: | 1 |
| Column1: | First-class |
| Matches1: | 1 |
| Runs1: | 21 |
| Bat Avg1: | 10.50 |
| 100S/50S1: | –/– |
| Top Score1: | 19 |
| Deliveries1: | – |
| Wickets1: | – |
| Bowl Avg1: | – |
| Fivefor1: | – |
| Tenfor1: | – |
| Best Bowling1: | – |
| Catches/Stumpings1: | 3/– |
| Date: | January 22, |
| Year: | 2011 |
| Source: | CricketArchive |
John Pickens Dornan (August 11, 1880 – December 23, 1959) was an American cricketer. He played one first-class match for a combined Canada/USA team, against Australia in Manheim, Pennsylvania in 1913, scoring 21 runs in the match.