Ada, Countess of Holland
| Ada | |
|---|---|
| Count of Holland | |
| Reign | 1203 – 1207 jointly with Louis II of Loon |
| Predecessor | Dirk VII |
| Successor | William I |
| Born | c. 1188 |
| Died | 1234/37 |
| Spouse | |
| Father | Dirk VII, Count of Holland |
| Mother | Adelaide of Cleves |
Ada (c. 1188 – 1234/37) was Countess regnant of Holland between 1203 and 1207, ruling jointly with her husband, Louis II of Loon. She was deposed and exiled by her paternal uncle, William I.