Lily Beaurepaire
| Personal information | |
|---|---|
| Full name | Lilian De Beaurepaire |
| Nickname(s) | "Lily" |
| National team |
 Australia |
| Born |
15 September 1893 Lorne, Victoria |
| Sport | |
| Sport | Swimming |
| Strokes | Freestyle |
Lilian "Lily" De Beaurepaire (born 15 September 1893) was an Australian woman swimmer and diver who represented Australia at the 1920 Summer Olympics in Antwerp, Belgium. She was a sister of Frank Beaurepaire who also represented Australia in swimming at these and other Olympics.
In 1920 she competed in the women's 100-metre freestyle, 400-metre freestyle and plain high diving.