Blix is an old noble lineage from Norway[1] and surname. Notable people with the surname include:
- Arne Blix (born 1954), Norwegian journalist
- Brynjulf Blix (born 1951), Norwegian pianist
- Elias Blix (1836-1902), Norwegian poet, musician, and a politician
- Gustav Blix (born 1974), Swedish politician
- Hans Blix (born 1928), Swedish diplomat and politician
- Magnus Gustaf Blix (1849-1904), was a Swedish physiologist
- Michael Blix (1786-1870), Norwegian politician
- Peter Andreas Blix (1831-1901), Norwegian architect and engineer
- Ragnvald Blix (1882-1958), Norwegian illustrator and magazine editor
Blix is also a chemical used in photographic processing - the name is a contraction of bleach and fixer.