Noesis (lit. "understanding", "intellect") is a Greek word referring to perception of the mind, what the nous does.

In philosophy:

• Noesis, a classic-philosophical term, sometimes equated to intellect or intelligence
• Noema, technical term in the Brentano–Husserl "philosophy of intentionality" tradition
• Noetic theory, a branch of metaphysical philosophy concerned with the study of mind and intellect

In software:

• Noesis (software) is software for viewing, converting, and reverse engineering data.

In other uses:

• Noesis Cultural Society, a Romanian cultural organization
• Thessaloniki Science Center & Technology Museum - NOESIS
• The journal of the Mega Society, a high IQ society
• The Institute of Noetic Sciences

In arts and music:

• The name of a piece by Swiss contemporary composer Hanspeter Kyburz
• The name of a concerto for clarinet, violin and orchestra by Erkki-Sven Tüür
• Noesis (rapper), who fronts the band Philadelphia Slick
• The name of a song by the Japanese pop artist Gackt

• Davies, Maurice
• Davies, Neil
• Davies, Nicholas
• Davies, Nigel
• Davies, Oliver
• Davies, Paul
• Davies, Peter
• Davies, Philip
• Davies, Ray
• Davies, Raymond
• Davies, R. E. G.
• Davies, R.E.G.
• Davies, Reginald
• Davies, Rhodri
• Davies, Rhys
• Davies, Rob
• Davies, Robert
• Davies, Rodney
• Davies, Roland
• Davies, Ron
• Davies, Rowland
• Davies, Roy
• Davies, Russell
• Davies, Sally
• Davies, Sam