In the United States, the use of VPNs is generally legal. There are no federal laws that prohibit the use of VPNs, and VPNs are widely available and commonly used.
However, it is worth noting that while the use of VPNs is legal, there may be certain circumstances where the use of a VPN is not allowed or is restricted. For example, some schools, universities, and other organizations may have policies that prohibit the use of VPNs on their networks. Additionally, the use of VPNs may be restricted in certain places, such as prisons or military bases.
If you are using a VPN in the United States, it is important to be aware of any applicable laws or policies and to use the VPN responsibly. If you are unsure about whether the use of a VPN is allowed in a particular location or for a particular purpose, you may want to check with the relevant authorities or consult with a legal professional.