100 m Butterfly, Men
| Competition | 1984 USA Swimming National Championships (Outdoor/LCM) |
|---|---|
| Venue |
Fort Lauderdale, Florida
 USA
|
| Held | 18 August 1984 |
| Status | Medal |
| Competitors | 8 |
| Countries | 2 |
Fort Lauderdale, Florida / International Swimming Hall of Fame Pool / long-course metric (50m)
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Michael Dillon Holmes Lumber Gators |
USA |
54.81 | ||
| 🥈 | David Cowell Mid-Ohio Swim Club |
USA |
54.94 | ||
| 🥉 | Coy Cobb Holmes Lumber Gators |
USA |
55.43 | ||
| 4 | Chris O'Neil Aggie Swim Club |
USA |
55.44 | ||
| =5 | David López-Zubero Pine Crest School |
 ESP |
55.66 | ||
| =5 | Bill Stapleton Sugar Creek |
USA |
55.66 | ||
| 7 | Matt Wood Hawkeye Aquatics |
USA |
55.89 | ||
| 8 | Craig Marble Concord-Pleasant Hill Swim Team |
USA |
55.95 |