Skew square may refer to:

• Skewsquare, a plane quadrilateral whose edge midpoints form a square
• A three-dimensional skew polygon with four equal edge lengths and angles, such as a cycle of four edges in a regular tetrahedron
• Skew square, for a ring laser, a square of mirrors modified by lifting one mirror out of the plane of the other three

This disambiguation page lists articles associated with the title Skew square.
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