title: Ada of Holland (disambiguation)
text: # Ada of Holland (disambiguation)
  
  Ada of Holland may refer to:
  
  * Ada of Holland, Margravine of Brandenburg (c. 1163 – after 1205)
  * Ada, Countess of Holland (c. 1188 – 1234/37 )
  * Ada of Holland (died 1258) (1208–1258), abbess of Rijnsburg Abbey from 1239
  