Name Wilhelm Olsson | ||
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Christian Wilhelm Engel Bredal Olssøn (5 April 1844 - 3 November 1915) was a Norwegian military officer and politician.

Olssøn was born in Horten in Vestfold, Norway. He was the son of Edvard Olssøn (1820-1867) and Leonore Rebecca Bredal (1820-1910. He received a military education at the Norwegian Military Academy (1866) and Norwegian Military College (1870). He received additional education at the Royal Institute of Technology in Stockholm (1872-1874).
He was appointed major general in 1896. In 1898, he was commander at Oscarsborg, 1899 inspector general for coastal artillery. In 1907, he became lieutenant-general. He retired from military service in 1912 as Commanding General. He served as Minister of Defence 1893-1894, 1895-1898, 1905–1907, and member of the Council of State Division in Stockholm 1894-1895.