Yes! You can definitely eat paneer when on a keto diet. A keto diet consists of foods rich in fats and proteins but low in carbohydrates. Paneer as an ingredient is rich in proteins and fats but comparatively low in carbohydrates. This makes it an ideal part of a keto diet.
With that said, we can confirm that paneer is keto-friendly, and consuming it on the keto diet might actually be beneficial.