In July 2014 the International Astronomical Union launched NameExoWorlds, a process for giving proper names to certain exoplanets and their host stars.

[4] In December 2015, the IAU announced the winning name was Sancho for this planet.

[5] The winning name was submitted by the Planetario de Pamplona, Spain.

Sancho was the squire of the lead character of the novel Don Quixote.

Mu Arae e is a gas giant at least 1.8 times as massive as Jupiter.