One thing we are almost sure of, though, is that there is no law that makes it explicitly illegal for a US resident to gamble online. We've certainly never heard of. Legislation on online gambling in the United States was first were removing online gambling advertising from their sites. Louisiana is one of the few states that has a specific law prohibiting gambling online. It is never legal to gamble on a website based in the United States. Also, if you are planning to operate an online gambling site, stay outside of the United States.