was a Norwegian lawyer and politician from the Conservative Party. He was the 31st prime minister of Norway from 1989 to 1990. He also served as the minister of Industry from 1983 to 1985. Syse was the president of the Lagting 1993–1997. Syse was the president of the Nordic Council in 1988 and 1993. He served in the Norwegian parliament for over 25 years until his sudden death from a cerebral hemorrhage in 1997.

The Conservative Party or The Right is a liberal-conservative political party in Norway. It is the major party of the Norwegian centre-right, and was the leading party in government as part of the Solberg cabinet from 2013 to 2021. The current party leader is former Prime Minister Erna Solberg. The party is a member of the International Democrat Union and an associate member of the European People's Party.