| Date | Dead | Injured | Location | Description |
3 January | 5 | 110 | Diyarbakır, Turkey | See 2008 Diyarbakır bombing |
| 14 January | ≈6 | ≈6 | Kabul, Afghanistan | A suicide bomber killed six at the Kabul Serena Hotel. |
| 16 January | 30 | 65 | Buttala, Sri Lanka | A civilian bus was bombed, and the fleeing passengers were gunned down and the fleeing gunmen also attacked farmers, killing at least 30 people. The Sri Lankan government claimed that the gunman belonged to LTTE. |
| 18 January | 4 | 4 | Hadhramaut Governorate, Yemen | Gunmen opened fire on a group of tourists, killing two Belgian women, their Yemeni driver and a Yemeni man believed to be a tourist guide. Belgian tourist and a Yemeni were wounded in the incident. Al-Qaida suspected. |
| 29 January | 2 | 23 | Thénia, Boumerdès Province, Algeria | Suicide bomber [2008 Thénia bombing|drove and 2008 Tripoli, Lebanon bombing|detonated a vehicle] on a police headquarters, killing several policemen. Al-Qaida suspected. |
| 1 February | 0 | 3 | Nouakchott, Mauritania | Unidentified gunmen opened fire on Israel's embassy, wounding three French nationals |
| 11 February | ≈25 | ≈40 | Balad, Iraq | Car bomb. See 2008 Balad bombing. |
| 6 March | 0 | 0 | New York City, United States | A bomb exploded outside an empty military recruiting station in Times Square. |
| 6 April | 15 | 90 | Weliveriya, Sri Lanka | See 2008 Weliveriya bombing |
| 12 April | 13 | ~200 | Shiraz, Iran | A bomb exploded inside the Shohada Hosseiniyeh mosque at around 9 pm during a sermon by a cleric well known for criticism of Wahhabism and of the Baháʼí Faith. Tehran blamed Western-backed monarchists for the attack. On its website, a group called Anjoman-e Padeshahi-e Iran, or Soldiers of the Kingdom Assembly of Iran, claimed responsibility. |
| Date | Dead | Injured | Location | Description |
| 2 June | ~8 | ~30 | Islamabad, Pakistan | A suicide [2008 Danish embassy bombing|car 2008 Bin Salman Mosque bombing|bombing blast] occurred at around 1 pm local time outside the Danish embassy. Nearby buildings also suffered damage. The attack was thought to be the work of fundamentalist terrorists. |
| 6 June | 21 | 47 | Moratuwa suburb of Colombo, Sri Lanka. | A roadside bomb blast targeted a crowded state-run commuter bus at about 7:35 am The government quickly placed blame upon LTTE. See 2008 Moratuwa bus bombing |
| 6 June | 2 | 20 | Kandy district, Sri Lanka | The Sri Lankan government blamed LTTE militants for a bomb explosion that occurred aboard a commuter bus only a few hours after a similar attack near Colombo. See 2008 Polgolla bus bombing |
| 9 June | 12 | | Boumerdès Province, Algeria | Two explosions kill 13 in the town of Beni Amrane. Islamic militants suspected. |
| 16 June | 12 | 40+ | Northern Province, Sri Lanka | Explosives in a motorcycle detonated in front of a police station in Vavuniya, killing 12 police and injuring 40, including children. |
| 18 | 25 | Al-Karmah, Al Anbar Governorate, Iraq | A suicide bomber attacked a meeting of tribal sheikhs. U.S. troops, who were in attendance, were among the injured. It is believed that AQI was behind the attack. |
| Date | Dead | Injured | Location | Description |
| 6 July | 11 | ~22 | Islamabad, Pakistan | A suicide-bomber targeted a group of police officers near the Lal Masjid almost a year after a deadly siege and raid on the mosque. |
| 7 July | 58 | 150+ | Kabul, Afghanistan | A suicide-bomber drove an explosives-laden automobile into the front gates of the Indian embassy. |
| 9 July | 3 | 3 | Istanbul, Turkey | Four men, believed to be Turkish citizens, attacked the American consulate around 1100 local time. Three of the four began shooting and were soon met with police fire. The three gunmen, as well as three police officers, were killed in the exchange. The fourth assailant, the driver, escaped the scene. Injuries occurred to two other people. |
| 15 July | 35 | 63 | Diyala, Iraq | Two men detonated explosive-laden belts seconds apart in a crowd of Army recruits at the Saad military base. The two bombers disguised themselves as recruits. |
| 21 July | 2 | 13 | Kunming, Yunnan, China | Two bomb explosions occurred on board separate passenger buses during the early morning commute. The first blast happened at about 7:00 am and the second came about an hour later. |
| 25 July | 2 | 20 | Bangalore, India | A series of nine blasts kills 2 and injures 20 people. |
| 26 July | 56 | 200 | Ahmedabad, India | A series of seventeen blasts killing 49 and injuring 160 people. |
| 27 July | ~17 | 150+ | Istanbul, Turkey | Two bombs kill 17 people and wound at least 150. |
| 27 July | 2 | 7 | Knoxville, Tennessee, United States | Knoxville Unitarian Universalist church shooting, Jim David Adkisson kills 2 people and injures 7. |
| Date | Dead | Injured | Location | Description |
| 9 August | 2 | 23 | Zemmouri, Boumerdès Province, Algeria | Suicide bomber drove and detonated a vehicle on a gendarmerie headquarters, killing several people. Al-Qaida suspected. |
| 19 August | 43 | 45 | Issers, Boumerdès Province, Algeria | A suicide bomber drove a vehicle into a large group of military recruits gathering for exams. Although no one claimed responsibility, such attacks are usually blamed upon Al-Qaeda Organization in the Islamic Maghreb. |
| 21 August | 63 | 81 | Wah, Attock District, Pakistan | Twin suicide bombings kill 63 people and injure 81 people targeting Pakistan's main munitions factory, the Pakistan Ordnance Factories. The Pakistani Taliban claims responsibility in retaliation for Pakistan Army attacks in the War in North-West Pakistan. |
| 23 August | 8 | | Swat, Pakistan | A suicide bomber drives and detonates a vehicle into a checkpoint, killing 8 policemen and injuring several others. |
| Date | Dead | Injured | Location | Description |
| 6 September | 50+ | 80+ | Peshawar, Pakistan | Two bombs exploded. The first occurred when suicide bomber in a pickup truck, detonated near a paramilitary checkpoint, killing 16. Two hours later, a suicide bomber struck a police post, killing 30 and injuring dozens. |
| 12 September | 28 | 40 | Salah ad Din, Iraq | 28 people killed and 40 injured in a suicide car bombing. The attack happened around 1800, when a suicide bomber drove and detonated a vehicle into a police station. |
| 13 September | 30 | 90 | Delhi, India | A series of 5 bombs exploded in Delhi, killing 30 and injuring 90. |
| 15 September | 22 | 32 | Diyala, Iraq | A female suicide bomber detonates herself at a party, killing 22 and injuring 32. |
| 15 September | 8 | 132 | Morelia, Michoacán, Mexico | A series of grenades are detonated in crowds gathered to celebrate Independence Day. |
| 17 September | 16+ | 16+ | Sanaa, Yemen | A car bomb exploded outside the U.S. Embassy, followed by an assault by militants. The attackers, reportedly dressed as policemen, also exchanged rocket and gun fire. A group calling itself Islamic Jihad in Yemen claimed responsibility. |
| 20 September | 60+ | 250+ | Islamabad, Pakistan | The Marriott Hotel is attacked by a massive suicide car bomb, killing over 60 and injuring 250. The blast caused a natural gas leak fire, which destroyed the hotel further. Hours before the blast, President Asif Ali Zardari addressed a joint session of Parliament and promised to root out terrorism. |
| 27 September | 17 | 14 | Damascus, Syria | At least 17 people were killed and 14 hurt by a car bomb. The target of the blast was unclear, but it struck close to an important Shia shrine and a security post. |
| 28 September | 34 | 100+ | Baghdad, Iraq | Several blasts occurred across Baghdad in what turned out to be the deadliest day in the city during Ramadan. The first attack was planted inside a minibus, in the Shurta neighborhood, killing 12 and injuring at least 30. Minutes later, a car bomb exploded in the Hay al-Amil district, killing one. Later, a suicide bomber wearing an explosives vest detonated minutes after a bomb in a parked car exploded. A roadside bomb also occurred within the time frame. An Iraqi government security spokesperson said "the insurgents want to show there is no security in Baghdad". |
| 28 September | 7 | 30 | Tripoli, Lebanon | A car bomb targeting a military bus carrying soldiers detonated, killing 7 and injuring 30. |
| 8 | 30 | Gujarat and Maharashtra, India | Three bombs explode in two states killing 8 and injuring 30. |