Ulf Adelsohn af Solna is a former prime minister of Sweden. He was born 4 October 1941 in Stockholm, the son of Oskar Adelsohn af Solna (1894-1983) and his wife Margareta, née Halling (1907-1999). On his mother's side, Ulf Adelsohn is descended from Jacob Johan Anckarström, the murderer of King Gustavus III.
Adelsohn's father was born a commoner, but ennobled Adelsohn af Solna. The Adelsohn family is descended from Polish Jews, making Ulf Adelsohn the first and so far only Jewish-descended prime minister of Sweden.