What is "ingebretsen"

''' Ingebretsen ''' is a Norwegian patronymic surname which may refer to:

• Bjarne Kortgaard Ingebretsen, Norwegian football midfielder
• Eugen Ingebretsen (1884–1949), Norwegian gymnast who competed in the 1906 Summer Olympics, in the 1908 Summer Olympics, and in the 1912 Summer Olympics
• Herman Smitt Ingebretsen (1891–1961), Norwegian politician for the Conservative Party
• Olaf Ingebretsen (1892–1971), Norwegian gymnast who competed in the 1912 Summer Olympics
• Paul Ingebretsen (1904–1968), Norwegian politician for the Liberal Party
• Robert B. Ingebretsen (1948–2003), American engineer and pioneer in the development of digital sound.