Arnošt Hájek
| Personal information | |
|---|---|
| Nationality | Czech |
| Born | 19 April 1941 Přívlaky, Protectorate of Bohemia and Moravia |
| Sport | |
| Sport | Biathlon |
Arnošt Hájek (born 19 April 1941) is a Czech biathlete. He competed in the 20 km individual event at the 1972 Winter Olympics.