Perseus (disambiguation)

Perseus may refer to

In mythology:
* Perseus, a mythological figure

In history:
* Perseus (geometer), an ancient Greek mathematician
* Perseus of Macedon, the last King of Macedon

In astronomy:
* Perseus (constellation), a constellation in the northern sky
* Perseus Arm, an arm of the Milky Way
* Perseus Cluster, galaxy cluster
* Perseus-Pisces Supercluster, galaxy cluster chain
* Perseus molecular cloud
* Perseids, a prolific meteor shower associated with the comet Swift-Tuttle

In maritime:
* HMS Perseus, any one of several ships of the Royal Navy
* USNS Perseus (T-AF-64), American stores ship
* USS Perseus, name used by multiple American ships

Other:
* Perseus Project, a digital library
* Perseus (spy), a Soviet spy at White Sands Missile Range
* Bristol Perseus, an aero engine
* "Perseus", a GWR Iron Duke Class steam locomotive
* Perseus LLC, a bank and private equity fund
* Perseus Books, a publishing company
* Operation Perseus, a British police operation
* UGM-89 Perseus, a canceled project for an American missile
* Perseus (single), Hitomi Shimatani song
* Perseus (Pantheon), a fictional character in Marvel Comics
* Perseus Clothing, a fictional shop in Grand Theft Auto IV