Starbucks caramel frappe does have caffeine.
The amount of caffeine that a Starbucks caramel frappe has depends on the size of the Starbucks caramel frappe you order.
A Tall Starbucks caramel frappe contains 65 mg of caffeine and a Grande size Starbucks caramel frappe contains 95 mg of caffeine.
And for the largest size of Starbucks caramel frappe which is the Venti Iced contains as much as 120 mg of caffeine.
So if you need to watch your caffeine intake then you should order the smallest size of Starbucks caramel frappe.
The larger the size of the Starbucks caramel frappe the more caffeine it will contain and the smaller the size of Starbucks caramel frappe the less caffeine it will contain.