John Platt was a British politician known for his role as a member of the Labour Party. He served as a Member of Parliament (MP) for Leeds West from 1945 to 1950. During his time in office, Platt focused on issues related to social justice and workers' rights. After leaving Parliament, Platt continued to be active in local politics and community service. He was recognized for his contributions to public life and his commitment to improving the lives of his constituents. His legacy remains influential in the Labour Party and local governance.