| Name: | Mike O'Brien |
| LMSC: | Southern Pacific |
| Club: | Golden West Swim Club (GWSC) |
Swimming Achievements for Mike O'Brien:
- Meet results for Mike O'Brien (5 swims)
- Participated in 1 Olympic Games: 1984
| Name: | Mike O'Brien |
| LMSC: | Southern Pacific |
| Club: | Golden West Swim Club (GWSC) |