Kalaupapa Memorial Act of 2005 - Requires the Secretary of the Interior to authorize Ka `Ohana O Kalaupapa, a nonprofit organization consisting of patient residents at Kalaupapa National Historical Park, to establish a memorial at the location(s) approved by the Secretary at Kalawao or Kalaupapa within the boundaries of Kalaupapa National Historical Park on the island of Molokai, Hawaii, to honor those individuals who were forcibly relocated to Kalaupapa Peninsula from 1866 to 1969.