| André Mattoni | |
| Birth Name: | Andreas Leo Otto Edler von Mattoni |
| Birth Date: | 24 February 1900 |
| Birth Place: | Karlsbad, Kingdom of Bohemia, Austro-Hungarian Empire (now, Karlovy Vary, Czech Republic) |
| Death Place: | Vienna, Austria |
| Nationality: | Austrian |
| Occupation: | Actor |
| Years Active: | 1922–1978 |
André Mattoni (born Andreas Leo Otto Edler von Mattoni; 24 February 1900 – 11 January 1985) was an Austrian actor. His paternal grandfather was Heinrich Kaspar von Mattoni, founder of the Mattoni mineral water company. His mother was Adele Juliana Pupp-Mattoni from the Pupp hotelier family.
Mattoni was originally cast in Fritz Lang's Metropolis (1927) but was replaced by Gustav Fröhlich four weeks into shooting.