At least 14 people were killed when a car bomb exploded near a church in southern Baghdad after a Christmas service on Wednesday, police and medics said.
The bomb went off in the Doura district while worshippers were leaving the church, police said, and most of the victims were Christian.
The death toll from a wave of bombings across Iraq today has risen to at least 62, officials said.
There were a series of car bombings in Baghdad, along with an explosion at a market and a suicide assault in a northern city.
Coordinated bombings in Iraq have killed more than 5,000 people since April.
The local branch of al-Qaida often takes responsibility for the assaults, although there was no immediate claim for Sunday's blasts.
At least 49 people have been killed in a day of bloodshed across Iraq, with 10 car bombs detonated across Baghdad and a suicide bomber attacking soldiers queuing up for their pay in the northern city of Mosul.
The attack on the soldiers claimed 12 lives after a motorist blew himself up outside a bank.
There was no immediate claim of responsibility for any of the coordinated blasts in Baghdad, which occurred in predominantly Shiite Muslim areas of the capital and left 37 people dead.
At least 37 people have been killed in a series of car bombs in Shiite districts across Baghdad, Reuters has reported, citing Iraqi officials.
Police and medics claimed 10 bombs were exploded, with the deadliest attack in a busy market in the town of Nahrawan, south of the capital.
At least 30 people have been killed in a suicide car bombing outside a cafe in the Iraqi capital of Baghdad, Reuters has reported, citing police and medical officials.
The attack occurred in the Amil neighborhood in a mainly Shi'ite district of the city.
Iraqi officials said the death toll in a coordinated wave of Baghdad bomb blasts has risen to 51.
Iraqi officials have said a wave of bombings in and around Baghdad has killed at least 26 people.
A series of bomb attacks in Baghdad has killed 16 people and wounded 85, Reuters have reported, citing police and medical sources.
At least 25 people have been killed and another 50 injured by "ball bearings" after a suicide bomber detonated himself in Baghdad.
Police officer Ahmed Jassim said:
Children were among the casualties of a suicide bomber who killed 25 people and injured more than 50 in Baghdad, according to police and medical sources.
Wounded people had been taken to four different hospitals, following the attack in al-Qahira, a northern district of the capital.
It was one of the worst attacks in Iraq since suicide bombers hit the same district two months ago, targeting a Shi'ite Muslim mosque and killing 29 worshippers during noon prayers.