Three roadside bombs went off near Baquba, north of Baghdad, killing one person and wounding four others in Baqouba, located some 50 kilometers (31 miles) northeast of Baghdad. A shooting in the same city also killed two people.
Police sources further reported that a sticky bomb killed two Kurds in Baladruz, while armed assailants injured three Kurds in Jalawla in separate attacks in Diyala province.
A salvo of 10 mortar rounds killed two people and wounded nine others in the town of Rutba in Anbar Province.
Also on Monday, a car bomb near the town of Dujail, situated about 65 kilometers (40 miles) north of Baghdad, killed one Iraqi civilian and wounded at least 10 Iranian pilgrims.
According to police sources, a car bombing in Khaldiya, west of Baghdad, killed two civilians and two police forces, and hurt seven other people.
Reports further said that a roadside bomb on a police patrol in Madain, south of Baghdad, wounded three police and two civilians, while an attack by gunmen on a military checkpoint in the city of Kirkuk killed one person.
Monday marked the deadliest day in Iraq since November 29, when at least 50 people lost their lives in a string of attacks across the country.