A public service announcement (PSA) is a message in the public interest disseminated by the media without charge to raise public awareness and change behavior.
Public Service Announcement can also refer to: Public Service Announcement (album), 2010 album by Purling Hiss "Public Service Announcement" (song), 2003 song by Jay-Z Public Service Announcement Tour, 2022 reunion tour by Rage Against the Machine
See also "Public Service Announcement 2000", song by Eminem on The Marshall Mathers LP PSA (disambiguation)