Ainaži (German: Haynasch, Estonian: Heinaste) was an estate in northern Latvia, located in Ainaži parish. The place existed as a village prior to 1564, but the manor house was only built in the early 1800s. It still stands today. Some of the subsidiary peasant farms still survive as well.
The surnames found in the 1826 revision list for Ainaži, written as they appear in the document:
The 1826 revision list is one of the earliest sources for the surnames of Ainaži.