| Hermann Helmer | |
| Birth Date: | 13 July 1849 |
| Birth Place: | Harburg, Kingdom of Hanover |
| Death Place: | Vienna, Republic of German-Austria |
| Nationality: | German |
| Occupation: | Architect |
Hermann Gottlieb Helmer (13 July 1849 – 2 April 1919) was a German architect who mainly worked in Austria.[1] [2]
After completing an apprenticeship as a bricklayer, and some further education he joined the architecture firm of Ferdinand Fellner, Sr. After his death he founded the architecture studio Fellner & Helmer together with his son Ferdinand Fellner in 1873.