| Hans Ertl | |
| Birth Date: | 1909 1, df=yes |
| Birth Place: | Vienna, Austria-Hungary |
| Death Place: | Steyr, Austria |
| Position: | Left wing |
| Ntl Team: | AUT |
| Career Start: | 1927 |
| Career End: | 1943 |
Johann Baptiste Nikolaus Ertl (30 January 1909 – 17 July 1978) was an Austrian ice hockey player who competed in the 1928 Winter Olympics.
In 1928 he participated with the Austrian ice hockey team in the Olympic tournament.