Heinsius
Heinsius is a surname of Dutch and German origin. Notable people with that surname include:
- Anthonie Heinsius, Dutch statesman
- Daniel Heinsius, Dutch scholar and poet
- Gottfried Heinsius, German mathematician, geographer and astronomer
- Johann Julius Heinsius, German oil painter and miniaturist
- Johann Samuel Heinsius, German bookseller and publisher
- Nicolaas Heinsius the Elder, Dutch scholar and poet, son of Daniel Heinsius
- Nicolaas Heinsius the Younger, Dutch physician and writer, son of Nicolaas the Elder