| Ilona Andrássy | |
| Birth Date: | 21 May 1858 |
| Spouse: | Lajos Batthyány |
| Nationality: | Hungarian |
Countess Ilona Andrássy de Csíkszentkirály et Krasznahorka (21 May 1858 – 2 April 1952) was a Hungarian noblewoman, wife of Count Lajos Batthyány de Németújvár (1860–1951) who served as Governor of Fiume.
Her parents were Count Gyula Andrássy and his wife Countess Katinka Kendeffy. She had three siblings including Tivadar and Gyula Jr.