Mathias Mongenast | |
|---|---|
 | |
| 9th Prime Minister of Luxembourg | |
| In office 12 October 1915 – 6 November 1915 | |
| Monarch | Marie-Adélaïde |
| Preceded by | Paul Eyschen |
| Succeeded by | Hubert Loutsch |
| Personal details | |
| Born | 12 July 1843 Diekirch, Luxembourg |
| Died | 10 January 1926 (aged 82) Luxembourg, Luxembourg |
| Political party | Independent |
Mathias Mongenast (12 July 1843 – 10 January 1926) was a Luxembourgish politician. He was the ninth prime minister of Luxembourg, serving for twenty-five days, from 12 October 1915 until 6 November 1915. He was the director-general (Minister) of Finance from October 1882 to November 1915.