Blasius may refer to: * various saints, including

Saint Blaise Blaise of Sebaste (, ''Hágios Blásios''; martyred 316 AD) was a physician and bishop of Sivas, Sebastea in historical Lesser Armenia (modern Sivas, Turkey) who is venerated as a Christian saint and martyr. He is counted as one of the Fourteen ...

(the French form of Blasius) * August Wilhelm Heinrich Blasius (1845–1912), German ornithologist * Blasius of Parma (c. 1345–1416), natural philosopher, born in Parma * Frédéric Blasius (1758–1829), French opera composer and conductor * Gerard Blasius (1627–1682), Dutch anatomist * Heinrich Wilhelm Blasius (1818–1899), German meteorologist * Joan Blasius (1639–1672), Dutch playwright, Gerhard's younger brother * Johann Heinrich Blasius (1809–1870), German zoologist * Jörg Blasius (born 1957), German sociologist * Paul Richard Heinrich Blasius (1883–1970), German physicist * Rudolf Blasius (1842–1907), German physician, bacteriologist, naturalist and ornithologist

See also