If you're wondering what GKT stands for on Instagram, it's likely that you've come across the acronym while browsing through your feed or direct messages. The truth is, GKT is not a commonly used abbreviation on Instagram, and it's difficult to say what it means without more context. However, based on our research, it's possible that GKT could be a misspelling of the acronym GTK, which stands for "Good to Know."