| Sean Maher | |
| Full Name: | Sean Lyndon Maher |
| Birth Date: | 19 May 1953 |
| Birth Place: | Newport, Wales |
| Height: | 179 cm |
| Weight: | 69 kg |
| Strokes: | Butterfly |
Sean Lyndon Maher (born 19 May 1953) is a British former swimmer. He competed at the 1972 Summer Olympics in the men's 100 metre butterfly and men's 200 metre butterfly events, and the 1976 Summer Olympics in the men's 200 metre butterfly event.[1]