The interior ministry identified the latest to be put to death as Saudis Awad al-Rowaili and Lafi al-Shammary, who were convicted of smuggling amphetamines.
They were executed in the northern region of Jawf, the ministry said in statements carried by the official Saudi Press Agency.
Another Saudi, Mohammed al-Shihri, was separately put to death in the southwestern region of Asir for murder.
The conservative Islamic kingdom executed 87 people in 2014, according to an AFP tally.
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Jakarta summoned Riyadh's ambassador over her case, a rare diplomatic incident linked to Saudi Arabia's executions, around half of which involve foreigners.
Also among this year's dead are at least eight Yemenis, 10 Pakistanis, Syrians, Jordanians, and individuals from Myanmar, the Philippines, India, Chad, Eritrea and Sudan.
Saudi Arabia ranked among the world's top five executioners in 2014, according to rights group Amnesty International.
Under the Gulf nation's strict version of Islamic sharia law, drug trafficking, rape, murder, apostasy and armed robbery are all punishable by death.
A surge in executions began towards the end of the reign of King Abdullah, who died on January 23.
It accelerated this year under his successor King Salman, in what Amnesty has called an unprecedented "macabre spike".
Activists are unable to explain specific reasons for the surge, and officials have not commented.