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  3. /FO

Crochet abbreviation

What does FO mean in crochet?

Cut the yarn and pull the tail through the last loop to secure the work.

By the crochetpatterns.io editorial team · Reviewed September 13, 2026 · Editorial policy

FO in US and UK patterns
US patternsUK patterns
AbbreviationFOFO
Meaningfasten offfasten off

FO is short for fasten off in US patterns; UK patterns write FO (fasten off).

Related pages

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  • bo
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  • pm
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  • tch
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