1978-1979 Men's Swimming Roster
| Player | Cl. | Hometown (High School) |
| Scott Baker+ | Jr. | York, PA (Spring Grove) |
| Timothy Brenneman | So. | Millersville, PA (Penn Manor) |
| Barry Llewellyn | Sr. | West Reading, PA (Holy Name) |
| Richard Miller | Jr. | Medford, NJ (Rancocas Valley) |
| Bob Utzinger | Fr. | Basking Ridge, NJ (Ridge) |
| Gary Weaver | Fr. | Lancaster, PA (Hempfield) |
+ Captains
Head Coach: John Tulley (15th year)
1978-1979 Women's Swimming Roster
| Player | Cl. | Hometown (High School) |
| Patricia Carroll | So. | Parkside, PA (Sun Valley) |
| Sandra Rohr | So. | Camp Hill, PA (Cumberland Valley) |
| Rebecca Dinulos | Fr. | Lebanon, PA (Lebanon) |
| Suzette Desjardin | Fr. | Red Hill, PA (Upper Perkiomen) |
| Christine Hinkle | Fr. | Ambler, PA (Upper Dublin) |
| Judy Seldomridge | So. | Lancaster, PA (Manheim) |
+ Captains
Head Coach: John Tulley (2nd year)