Birna Brjánsdóttir (1996–2017) was an Icelandic woman who disappeared at the age of 20 on the morning of 14 January 2017 after leaving a club in central Reykjavík. She was found dead on 22 January 2017 after an extensive search operation, with her having been dropped into the ocean. A Greenlandic fisherman, Thomas Møller Olsen, was found guilty of her murder and received a 19-year prison sentence for that crime in addition to narcotics smuggling.