National Wildlife Refuge System Management and Policy Act of 1993

National Wildlife Refuge System Management and Policy Act of 1993 - Amends the National Wildlife Refuge System Administration Act of 1966 to prohibit the Secretary of the Interior (Secretary) from initiating or permitting a new use of a refuge or expanding, renewing, or extending an existing use unless it is determined that it is compatible with the purposes of the System and the refuge. Allows existing uses of such refuge system lands that have been determined compatible under this Act, or the Refuge Recreation Act, to continue under specified conditions. Terminates such use and revokes permits for it within five years after the enactment of this Act unless the Secretary determines that such use is compatible.

Directs the Secretary, acting through the Director of the U.S. Fish and Wildlife Service, to establish a formal process for governing determinations of compatibility of an existing or proposed new use in a refuge with the purposes of the System and the refuge.

Requires the head of each Federal agency that has, with respect to a refuge, an equivalent or secondary jurisdiction with the Department of the Interior, or conducts activities within any refuge, to ensure that any actions authorized, funded, or carried out will not impair the resources of the refuge or be incompatible with system or refuge purposes, unless the action is specifically authorized by law or necessary for national security.

Directs the Secretary to: (1) prepare (and revise every ten years) a comprehensive plan for the System; and (2) prepare (and revise every 15 years) a comprehensive conservation plan for each refuge or ecologically related complex of refuges in the System, except those in Alaska.

Authorizes appropriations.

Grants the Secretary emergency power to suspend any activity in any range in the National Wildlife Refuge System that constitutes an imminent danger to the health and safety of any wildlife population, refuge, or to public health and safety.