Which king was Bluetooth named after? 99% of people give the wrong answer.
- bySherya
- 30 May, 2026
Bluetooth was named after the 10th-century Danish king Harald Bluetooth Gormsson, who was famous for uniting Denmark and parts of Norway.
(Was Bluetooth really named after a king?)
Bluetooth: Today, Bluetooth has become an integral part of our smartphones, laptops, earbuds, smartwatches, and cars. Millions of people use it every day, but few people know that the name Bluetooth isn't derived from a technical term, but rather from the name of a real king. Interestingly, most people can't answer this question correctly.
After which king was Bluetooth named?
Bluetooth was named after a 10th-century Scandinavian king (Denmark, Sweden, and Norway). According to information, King Harald Bluetooth Gormsson was named after Bluetooth. He ruled Denmark and Norway from 958 to 985. This king was famous for unifying parts of Denmark and Norway. According to historians, King Harald worked to unite different tribes and regions. Therefore, when a new wireless technology was being developed, its engineers realized that this technology would also be useful in connecting various electronic devices. Hence, it was named Bluetooth.
What does the name Bluetooth mean?
King Harald was nicknamed Bluetooth. It is believed that one of his teeth appeared dark blue or black, which is why he was called Bluetooth. While history has varied, the moniker later became the name of one of the world's most popular wireless technologies.
A unique blend of technology and history
The name was suggested by an Intel engineer in the 1990s when several companies were working together on a short-range wireless communication standard. At the time, it was only considered a temporary codename. Later, when it came time to choose a final name, Bluetooth had become so popular that it was chosen as the permanent name.
The Bluetooth logo also hides a secret
Have you ever looked closely at the Bluetooth logo? Its symbol is no ordinary design. It's a combination of Nordic runic letters, representing the initials H and B of King Harald Bluetooth's name. This means that not only the Bluetooth name, but also its logo is directly linked to that historical king.
Why is this information special?
Most people assume Bluetooth is associated with a technical term, color, or scientific concept. But the truth is, it was named in honor of a king who connected people and regions. Similarly, Bluetooth connects billions of devices worldwide today.





