Hello, I would like to know if I can sell in the United States with my French IP address or if I need to use a VPN to sell in the United States. Best regards

As long as you are in France and the shipments are made from France, you cannot open an account on ebay.com.

Selling in the USA with a French IP address | Community Mentor Help

Selling in the USA with a French IP address | Community Mentor Help | eBay France