List of 2012 murders in the United States
| Murder |
Date |
No. of victims |
Location |
Note |
| 2012 Ingleside, San Francisco homicide | March 23 | 5 | San Francisco, California | |
| Oikos University shooting | April 2 | 7 | Oakland, California | |
| Murder of Ming Qu and Ying Wu | April 11 | 2 | University of Southern California | |
| 2012 Bain murder-kidnappings | April 27 | 2 | Whiteville, Tennessee | |
| Murder of Kujoe Bonsafo Agyei-Kodie | May | 1 | Maryland | |
| Lil Phat | June 7 | 1 | Sandy Springs, Georgia | |
| 2012 Aurora shooting | July 20 | 12 | Aurora, Colorado | |
| Wisconsin Sikh temple shooting | August 5 | 7 | Oak Creek, Wisconsin | |
| 2012 College Station, Texas shooting | August 13 | 3 | College Station, Texas | |
| 2012 Empire State Building shooting | August 24 | 2 | New York City | |
| Faith Hedgepeth homicide | September 7 | 1 | Chapel Hill, North Carolina |
| 2012 Minneapolis workplace shooting | September 27 | 7 | Minneapolis, Minnesota | |
| Killings of Lucia and Leo Krim | October 25 | 2 | New York City | |
| Byron David Smith killings | November 22 | 2 | Little Falls, Minnesota | Two teens, 17 and 18, invaded the home of Byron David Smith. His actions allegedly went beyond those allowed by castle doctrine |
| Clackamas Town Center shooting | December 11 | 3 | Happy Valley, Oregon | |
| Sandy Hook Elementary School shooting | December 14 | 28 | Newtown, Connecticut | |
| 2012 Webster, New York shooting | December 24 | 4 | Webster, New York | |