Few bands have left as indelible a mark on rock music as Def Leppard. With their electrifying blend of soaring vocals, infectious hooks, and stadium-sized anthems, this British rock powerhouse has been delivering hit after hit for over four decades. Rising to prominence in the early 1980s, Def Leppard helped define the sound of hard rock while seamlessly blending in elements of pop, creating some of the most iconic and enduring tracks of the era. Whether you grew up headbanging to their heavy riffs or belting out their power ballads at full volume, Def Leppard’s music is synonymous with rock royalty. From their breakthrough moments on Pyromania to the genre-defining masterpiece that is Hysteria, their catalog is packed with unforgettable songs that have stood the test of time. But which tracks truly stand above the rest? In this list, we dive deep into the top 10 most popular Def Leppard songs of all time—songs that not only dominated the charts but also carved out a permanent place in rock history. So grab your air guitar and get ready to revisit the greatest hits from one of rock’s most legendary bands!