Paul Allan Schneider is a former United States Deputy Secretary of Homeland Security. He had previously served as the Under Secretary of Homeland Security for Management. He was responsible for all the department's budget, appropriations, expenditure of funds, accounting and finance; procurement; human resources and personnel; information technology systems; facilities, property, equipment, and other material resources; and identification and tracking of performance measurements.

The deputy secretary of homeland security is the chief operating officer of the United States Department of Homeland Security, with responsibility for managing day-to-day operations. The department has over 208,000 employees and an annual budget of more than $48.5 billion.