The Knebworth Festival 1979 consisted of two concerts performed by the English rock band Led Zeppelin and other artists at Knebworth House, Hertfordshire, England, in August 1979.

The Knebworth Festival is a recurring open-air rock and pop concert held on the grounds of the Knebworth House in Knebworth, England. The festival first occurred in July 1974 when The Allman Brothers Band, The Doobie Brothers and other artists attracted 60,000 people.