Louis-Guillaume Otto | |
|---|---|
| Comte de Mosloy | |
 Portrait by Johann Baptist Seele (1809), with Count Jean Pelet in attendance, on the left | |
| Native name | Ludwig-Wilhelm Otto |
| Known for | Ambassadeur de France |
| Born | 7 August 1754 Kehl, Duchy of Baden |
| Died | 9 November 1817 (aged 63) Paris, France |
| Nationality | French |
Louis-Guillaume Otto, comte de Mosloy (7 August 1754 – 9 November 1817) was a Germano-French diplomat.