1977-1978 Men's Swimming Roster
| Player | Cl. | Hometown (High School) |
| Richard Autry | Fr. | Gladstone, NJ |
| Scott Baker | So. | York, PA (Spring Grove) |
| Timothy Breneman | Fr. | Millersville, PA (Penn Manor) |
| David Havener | So. | Mineral Point, PA |
| Barry Llwellyn | Jr. | West Reading, PA (Holy Name) |
| Richard Milner | So. | Medford, NJ (Rancocas Valley) |
| Lothar Waterfeld | Fr. | Germany |
+ Captains
Head Coach: John Tulley (14th year)
1977-1978 Women's Swimming Roster
| Player | Cl. | Hometown (High School) |
| Dana Reese | Fr. | Hockessin, DE |
| Sandra Rohr | So. | Camp Hill, PA (Cumberland Valley) |
| Judy Seldomridge | Fr. | Lancaster, PA (Manheim) |
+ Captains
Head Coach: John Tulley (1st year)