Operation Hammer

Operation Hammer may refer to:


 * Operation Hammer (1969), Australian military operation during the Vietnam War fought around the village of Binh Ba, 6–8 June 1969
 * Operation Hammer (1987), a Los Angeles Police Department CRASH initiative that began in April 1987
 * Operation Hammer (1997), a Turkish Armed Forces operation in northern Iraq against the Kurdistan Workers Party
 * Operation Hammer (Afghanistan), a 2007 Coalition operation during the War in Afghanistan (2001–2021)