This article explains how to clear Instagram search history in the latest version of the Instagram app for Android and iOS, and for desktop and mobile browsers.

Instagram keeps a record of your search history, so you can find accounts or hashtags you've searched for in the past. Past searches also influence which accounts Instagram recommends you follow. You can delete this history in the app at any time by following these steps:

Tap your profile icon.

Tap the menu icon (three horizontal lines).