Look up astronomer in Wiktionary, the free dictionary.
The Astronomer may refer to:
- Vita Hludovici or the "Limousin Astronomer", the anonymous author of the Vita Hludovici, a biography of Holy Roman Emperor Louis the Pious
- The Astronomer (Vermeer), a 1668 oil painting by the 17th century Dutch painter Johannes Vermeer
- The Astronomer, a character in the Wild Cards book series