While using Instagram we came across many people whom we want to follow. We sent Follow requests but then we forgot whom we sent follow requests. Now Instagram make it easy for you. You can find whom i sent follow request but they didn't accept. You can search by their names and cancel follow requests if you want.
Let's see how can you use this Feature
Open your Instagram profile and on top right 3 dots to open settings like this
Now click on the option "Security" like this
Now click on the option "Access Data" like this
Now click on the option "Current Follow Requests"
Now you can see list of all person whom you send follow requests but they didn't accept it.