Leonhard Euler (1707–1783) was a Swiss mathematician and physicist.

Euler may also refer to:

• Euler (programming language), a computer programming language
• Euler (software), a numerical software package
• EulerOS, a Linux operating system distribution
• Euler-Werke, an aircraft manufacturer owned by August Euler.
• AMS Euler, a typeface
• Project Euler a series of challenging mathematical/computer programming problems
• Euler angles, a way to describe the orientation of a rigid body

• Euler (surname)
• Euler Hermes, a global credit insurance company
• EULAR, European rheumatology organization
• Euler jump, an edge jump in figure skating
• Euler (crater), a lunar impact crater in the southern half of the Mare Imbrium

• List of things named after Leonhard Euler
• Euller (disambiguation)
• Oiler (disambiguation)

This disambiguation page lists articles associated with the title Euler.
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