成立1977年11月 現任成員: Joe Elliottlead vocals, keyboards, additional guitar (1977–present)Rick Sav Savagebass, keyboards, backing vocals (1977–present)Rick Allendrums, percussion, backing vocals (1978–present)Phil Collenguitar, backing vocals (1982–present)Vivian Campbell guitar, backing vocals (1992–present)過去成員:Steve Clark: 1960-04-23 ~ 1991-01-08guitar, backing vocals (1978–1991)Pete Willis:guitar, backing vocals (1977–1982)Tony Kenningdrums, percussion (1977–1978)Frank Noondrums, percussion (1978)Touring musicians(巡演樂手)
1979年《Def Leppard》1980年《On Through the Night》(穿越夜空)1981年《HighnDry》(孤立無援)1983年《Pyromania》(縱火狂)1987年《Hysteria》(歇斯底里)1992年《Adrenalize》(激情外溢)1993年《Retro Active》(追溯往昔)1995年《Vault - Greatest Hits 80-95》(圓拱門、精選輯)1996年《Slang》(俚語)1999年《Euphoria》(安樂感)2002年《X》《X》的專輯名稱為羅馬數字十,不僅代表該團的第十張專輯,也是現有組成團員合作至今十年的紀念大碟。《X》的錄製工作分三地完成:首先從主唱Elliott家鄉都柏林開始,後來決定加入不一樣的音樂元素,所以前往美國洛杉磯,此行主要目的是與Marty Frederiksen(常和Aerosmith合唱團合作)共事;返回都柏林前,再轉往瑞典請出曾為小甜甜布蘭妮、超級男孩與新好男孩打造暢銷曲的Andreas Carlsson及Per Aldeheim跨刀製作歌曲“Unbelievable”。此輯共收錄十三首新曲,其中的“Now”、“Unbelievable”、“Everyday”以空心吉他展開後再加入電吉他,讓人聯想起該團的暢銷曲“Two Steps Behind”式的中板搖滾曲;抒情搖滾曲“Long Long Way To Go”、“Let Me Be The One”耐聽動人;而熟悉的電吉他與搖滾風格出現在“You’re So Beautiful”、“Cry”、“Four Letter Word”等曲,後者極富AC/DC樂團的況味;最具流行節拍感的非“Gravity”一曲莫屬,是蛻變後的新威豹之聲。2004年《Best Of》(雙CD精選輯,北美地區以外發售)2005年《Rock of Ages: The DefinItive Collection》(雙CD精選輯,只在北美地區發售)2006年《Yeah!》(翻唱專輯)2008年《Songs from the Sparkle Lounge》
成立1977年11月 現任成員: Joe Elliottlead vocals, keyboards, additional guitar (1977–present)Rick Sav Savagebass, keyboards, backing vocals (1977–present)Rick Allendrums, percussion, backing vocals (1978–present)Phil Collenguitar, backing vocals (1982–present)Vivian Campbell guitar, backing vocals (1992–present)過去成員:Steve Clark: 1960-04-23 ~ 1991-01-08guitar, backing vocals (1978–1991)Pete Willis:guitar, backing vocals (1977–1982)Tony Kenningdrums, percussion (1977–1978)Frank Noondrums, percussion (1978)Touring musicians(巡演樂手)