Ástríður Bjarnadóttir

(1729–1802) was the wife of an Icelandic sýslumaður, Halldór Jakobsson, whom she did not want to marry.

Family Her father was Bjarni Halldórsson of Þingeyrar who was the in Húnavatnssýsla county, and her mother was (died 1736), the daughter of Páll Vídalín. was their older daughter; her sister was named and they had three brothers, Páll, Jón, and Halldór Vídalín, which made the 's nephews.

Marriage was engaged to Erlendur who was a student and had been one of her father's boys. and Erlendur had one child together (out of wedlock) who died young. Bjarni was incensed and he reportedly punished her physically. A little later, and Erlendur fled to Hólar where Bishop Gísli Magnússon wrote Bjarni a letter recommending that he give his permission for and Erlendur to marry, but her father did not allow it and instead demanded that she return home.

In 1760, she was unwillingly married to Halldór Jakobsson who was the of Strandasýsla county. Their wedding took place in Þingeyrar and they lived in Fell in . The couple had one daughter, , and she married Einar Thorlacius of ,

was considered avaricious and stingy, other than towards Erlendur, who had married . —also ran away from Fell, and allegedly helped them. When Halldór Jakobsson invited Magnús Ketilsson to his home in Fell, she offended him and his spouse with an inferior spread. She moved to where Halldór's brother lived. In 1800, he died and moved to Víðidalstunga where her sister , by then a widow, lived. died there in 1802.