Yes, the iPhone 11 does have Face ID.
Face ID is Apple's facial recognition system used for unlocking the device, authenticating purchases, and logging into apps. It uses a TrueDepth camera system located in the notch at the top of the iPhone 11's display to map and recognize your face. This allows for a secure and convenient way to access your phone and other features.
In short, you can securely set up Face ID on your iPhone 11.