Android N is Android Nougat
You have the Question that What will be the name of Android 7.0 ?
what will be the android N?
Then watch this video.
In this video, we explained all version from A to Marshmallow and Nougat to Z
and upcoming android version.
Check it out here : Android OS names from A to Z : https://youtu.be/hb876ORFd-g