The Adventures of William Tell is a British swashbuckler adventure series, first broadcast on the ITV network in 1958, and produced by ITC Entertainment. In the United States, the episodes aired on the syndicated NTA Film Network in 1958–1959.

A swashbuckler is a genre of European adventure literature that focuses on a heroic protagonist stock character who is skilled in swordsmanship, acrobatics, and guile, and possesses chivalrous ideals. A "swashbuckler" protagonist is heroic, daring, and idealistic: he rescues damsels in distress, protects the downtrodden, and uses duels to defend his honor or that of a lady or to avenge a comrade.