A Lost and found is a box or office present in many public areas where visitors can go to retrieve lost articles that may have been found by other visitors.

The name Lost and Found may also mean:

• Lost And Found, a Christian rock band from the United States
• Lost and Found, a 1960s college band which included songwriter John Trivers, and Eric Bloom of Blue Öyster Cult
• Lost & Found (1986-1989), a compilation album by the Kinks
• Lost and Found (1979 film), a film starring George Segal and Glenda Jackson
• Lost & Found (film), a 1999 comedy film starring David Spade
• Lost and Found, a 2005 album by Mudvayne
• Lost & Found, a 2005 album by Will Smith
• Lost & Found, a 2002 album by Gospel singer Deitrick Haddon
• Lost and Found (Feeder Single), a 2006 single by Feeder