Irene Karine Dalby (born 31 May 1971 in Stange, Hedmark) is a former international swimmer from Norway, who competed in the late 1980s and early 1990s.

She is a three-time Olympian for her native country.

When Dalby retired as swimmer she sat this personal bests in short course: This biographical article related to a Norwegian swimmer is a stub.

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