Sepanjang karirnya, Sinead O’Connor menelurkan 10 album studio, yang terdiri dari album eksperimental dan non-komersil. Berikut daftar albumnya:
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The Lion and the Cobra (1987)
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I Do Not Want What I Haven’t Got (1990)
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Am I Not Your Girl? (1992)
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Universal Mother (1994)
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Faith And Courage (2000)
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Sean-Nos Nua (2002)
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Throw Down Your Arms (2005)
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Theology (2007)
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How About I Be Me (And You Be You)? (2012)