Sigrid Brahe (1568–1608), was a Swedish countess, known for the great scandal Onsdagsbröllopet (The Wednesday Wedding) in 1595. Sigrid Brahe was the daughter of count Per Brahe the Elder and Beata Stenbock and niece of queen dowager Catherine Stenbock, and sister of , Gustaf Brahe (1558–1615), Margareta Brahe (1559–1638), Magnus Brahe (1564–1633) and (1569–1630). After the death of queen Catherine Jagiellon in 1583, king John III of Sweden had plans to marry her, but gave up the plan in consideration for the opposition of his siblings and instead married Gunilla Bielke in 1585. Instead, her family engaged her to count Erik Bielke af Åkerö upon the wish of the family and queen Gunilla Bielke. The engagement was made against the will of Sigrid Brahe, who was in love with baron .