A square knot is another name for a reef knot.

Square knot may also refer to:

• Square knot, a particular use of a reef knot formed over two other strands, used in macramé
• Square knot, another name for a cross knot in Chinese knotting
• Square knot (mathematics), a composite knot obtained by taking the connected sum of a trefoil knot with its reflection
• Square knot insignia, embroidered cloth patches that represent awards of the Boy Scouts of America and Scout associations throughout the world

This disambiguation page lists articles associated with the title Square knot.
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