| Clotilde Wilhelmine | |
|---|---|
| Countess Albert Apponyi de Nagy-Aponyi | |
 Countess Clotilde, aged 30 | |
| Born | Klotild Wilhelmine von Mensdorff-Pouilly-Dietrichstein 23 December 1867 |
| Died | 1 September 1942 (aged 74) |
| Spouse | |
| Issue | György II Alexander Apponyi Mária Alexandrina Apponyi Julianna Apponyi |
| Father | Alexander von Mensdorff-Pouilly |
| Mother | Alexandrine von Dietrichstein-Proskau-Leslie |
Clotilde "Klotild" Apponyi (née Klothilde Wilhelmine Josepha Gabriele Maria Innocenta von Mensdorff-Pouilly-Dietrichstein; 23 December 1867 – 1 September 1942) was an Austro-Hungarian noblewoman, women's rights activist, politician and a diplomat.