Este Arielle Haim is an American musician. She is best known as a member of the pop-rock trio Haim, which Este formed with her younger sisters Alana and Danielle. Este is Haim's bass player and a vocalist. She co-writes all of Haim's songs.

Haim is an American rock band, based in Los Angeles, composed of three sisters, Este, Danielle, and Alana Haim. In addition to their primary instruments, each is proficient in several others.