Heinsius is a surname of Dutch and German origin. Notable people with that surname include:
- Anthonie Heinsius (1641-1720), Dutch statesman
- Daniel Heinsius (1580-1655), Dutch scholar and poet
- Gottfried Heinsius (1709-1769), German mathematician, geographer and astronomer
- Johann Julius Heinsius (1740-1812), German oil painter and miniaturist
- Johann Samuel Heinsius (1686–1750), German bookseller and publisher
- Nicolaas Heinsius the Elder (1620–1681), Dutch scholar and poet, son of Daniel Heinsius
- Nicolaas Heinsius the Younger (1655–1718), Dutch physician and writer, son of Nicolaas the Elder
See also
edit- Heinsius (crater), on the Moon, named after Gottfried Heinsius
- All pages with titles containing Heinsius