Charles Mason (1730–1787) was an English astronomer.

Mason's early career was spent at the Royal Greenwich Observatory near London. He worked on the surveying of the Mason–Dixon Line (1763–1767), along with fellow Englishman Jeremiah Dixon. The two had previously travelled around the Cape of Good Hope, where they observed the transit of Venus.

A crater on the Moon is named after him.

External links

• Mason's biography from the Dictionary of National Biography