Sigga (Sigríður Beinteinsdóttir), is an Icelandic singer who competed for her native country in the Eurovision Song Contest for three times.

In 1990 as part of Stjórnin (coming 4th), in 1992 as part of Heart 2 Heart (7th) and in 1994 as a soloist (12th).

She managed to get 3 12 points overall, 2 from United Kingdom and 1 from Portugal. The 4th place she achieved with Stjórnin in 1990 was Iceland's best result until 1999 when Selma Björnsdóttir came 2nd.

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