Roisin Dunne Ross (born 18 September 1965) is an Irish musician. She is best known for being the replacement guitarist of 7 Year Bitch, after their guitarist Stefanie Sargent died in June 1992.

Ross played on the 7 Year Bitch albums ¡Viva Zapata! and Gato Negro with Atlantic Records. She eventually left the band to pursue other opportunities.

• ¡Viva Zapata! (C/Z Records, 1994).
• Gato Negro (Atlantic Records, 1996).

• "Rock-A-Bye Baby" b/w "Wide Open Trap" (C/Z Records, 1994).
• "The History of My Future" b/w "24,900 Miles Per Hour" (promo only) (Atlantic Records, 1996).
• "Miss Understood" b/w "Go!" (Man's Ruin, 1996).

• "In Lust You Trust" (1992)
• "Hip Like Junk" (1994)
• "24,900 Miles Per Hour" (1996)

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• The Gits: Movie (2005)