1990-1991 Men's Swimming Roster
| Player | Cl. | Hometown (High School) |
| Don Blyler | So. | Lebanon, PA (Cedar Crest) |
| Keith Camilli | Jr. | Hummelstown, PA (Hershey) |
| Joe Denlinger+ | Sr. | Millersville, PA (Penn Manor) |
| Stephen Fowler | Fr. | Mountainside, NJ (Dayton Regional) |
| Shwan Gallagher | So. | Haddonfield, NJ (Bishop Eustace) |
| Jon Gonzalez | Jr. | Woodstwon, NJ (Woodstown) |
| Todd May | Jr. | Camp Hill, PA (Trinity) |
| Chris Morris | Fr. | Hamilton Square, NJ (Hamilton East) |
| Brian Renninger+ | So. | Reading, PA (Wilson) |
+ Captains
Head Coach: Mike Guinivan (3rd year)
1990-1991 Women's Swimming Roster
| Player | Cl. | Hometown (High School) |
| Jaque Bartell | Fr. | Toms River, NJ (Toms River) |
| Jennifer Benton+ | Jr. | Murrysville, PA (Franklin Regional) |
| Julie Borst | So. | West Chester, PA (West Chester) |
| Andrea Coucoulas | So. | Basking Ridge, NJ (Bridgewater East) |
| Heather Frank+ | Jr. | Exton, PA (Downingtown) |
| Beth Gaulker | Sr. | Emmaus, Pa (Emmaus) |
| Jennifer Glynn | So. | Lindenwood, NJ (Overbrook Regional) |
| Gretchen Lusch+ | Jr. | Willow Grove, PA (Upper Moreland) |
| Anne Malin | Jr. | Chalfton, PA (C.B. West) |
| Elizabeth McCarter | So. | Coatesville, PA (Coatesville) |
| Lynn Repko | Jr. | Elizabethtown, PA (Elizabethtown) |
| Elizabeth Schell | Sr. | Clearfield, PA (Clearfield) |
+ Captains
Head Coach: Mike Guinivan (3rd year)