Rhesus

Rhesus may refer to:

Rhesus of Thrace, a king in Greek mythology
In Greek mythology, a river-god, son of Oceanus and Tethys
Rhesus (play), the Ancient Greek tragedy thought to have been written by Euripides
Rhesus (river), a river of the Troad mentioned by Homer
Rhesus macaque, also known as the rhesus monkey
Rhesus factor, associated with a blood type, named after the monkey
Rh disease, also known as rhesus disease
9142 Rhesus, an asteroid
Rhesus Glacier, Antarctica