Jamboree on the Air, known by its acronym JOTA, is an international Scouting and Guiding activity held annually;[1] it is on the third full weekend in October.

First held in conjunction with the fiftieth anniversary of Scouting in 1957, it was devised by Leslie R. Mitchell,[2] a radio amateur with the callsign G3BHK.

It is now considered the largest event scheduled by the World Organization of the Scout Movement annually.

In recent years, a parallel Jamboree on the Internet (JOTI) has developed.

The event is recognized as one of international participation by the various Scout and Guide organisations, and supports several awards which are a part of Scouting and Guiding programmes.