Close the Revolving Door Act of 2014 - Amends the federal criminal code to impose a lifetime ban on any former Senator, Member of the House of Representatives, or elected officer of the Senate or House of Representatives lobbying any current Member, officer, or employee of Congress or any employee of any other legislative office (currently, the ban is for two years after a Senator leaves office and one year after a Member of the House of Representatives leaves office). Extends such ban from one to six years for officers and employees of the Senate, personal staff of Members, committee staff, leadership staff, and other legislative offices.

Prohibits for a six-year period the hiring of a registered lobbyist or agent of a foreign principal by a Member of Congress or a congressional committee with whom the lobbyist or agent has had a substantial lobbying contact.

Amends the Lobbying Disclosure Act of 1995 to: (1) direct the Secretary of the Senate and the Clerk of the House of Representatives to maintain a joint lobbyist disclosure Internet database for information required to be publicly disclosed by such Act, (2) require a substantial lobbying entity to file with Congress a list of any employees who provide paid consulting services and who are former Members of Congress or highly-paid congressional staffers, and (3) increase the civil penalty for violations of the disclosure or reporting provisions of such Act.