John "Jack" W. Williams is an American politician. He is a member of the Alabama Senate representing the 34th District, since 2018, and was previously a member of the Alabama House of Representatives from the 102nd District, serving from 2014 to 2018. He is a member of the Republican party.
In 2024, he sponsored legislation to ban the manufacture, sell, or distribution of lab-grown meat in Alabama. The bill passed the Alabama legislature and was signed into law by Governor Kay Ivey. The law comes into effect in October 2024.