Rhesus can refer to any of the following:

• In Greek mythology, King Rhesus of Thrace.
• The Ancient Greek play Rhesus, once thought to be by Euripides.
• The Rhesus factor associated with a blood type.
• The Rhesus Macaque, also known as the Rhesus Monkey.

Rhesus | Rhésus (homonymie)