Shah Faisal Azeem Shah was found guilty of smuggling the drugs hidden in his body, the interior ministry said in a statement reported by the official Saudi Press Agency.
Authorities carried out the sentence against him in the capital Riyadh.
The kingdom resumed executions last week after a pause for the Muslim holy fasting month of Ramadan and the subsequent Eid al-Fitr holiday.
Read: In the last six months, Pakistan has executed more people than Saudi Arabia
Shah's case brings to 109 the number of beheadings this year in the kingdom, which rights group Amnesty International says is one of the world's most prolific executioners.
The number of Saudis and foreigners put to death this year is up 125 percent from 87 during the whole of 2014, according to AFP tallies.
Under the conservative kingdom's strict Islamic sharia legal code, drug trafficking, rape, murder, armed robbery and apostasy are all punishable by death.
Read: Hours before his execution death row convict pens moving essay
The interior ministry has cited deterrence as a reason for carrying out the latest punishment. It has also talked of "the physical and social harm" caused by drugs.
Rights experts have raised concerns about the fairness of trials in the kingdom.
COMMENTS (5)
Comments are moderated and generally will be posted if they are on-topic and not abusive.
For more information, please see our Comments FAQ