Crimp or crimping may refer to:
- Crimp (climbing), a small hold with little surface area
- Crimp (gambling), a bent corner of a card to facilitate cheating
- Crimp (joining), a deformity in metal used to make a join
- Crimp (recruitment) or shanghaiing, to shanghai or conscript men as sailors
- A style of song in the British comedy series The Mighty Boosh (TV series)
- Crimp (wool), the number of bends per unit of length
- Crimp (electrical), a type of solderless connection
- Crimping pliers, tools for squeezing things together
- Grain crimping, an organic way to preserve feed grain
- Hair crimping, a method of styling hair
- Staple remover, also known as a "crimper"
- Crimp, Cornwall, a hamlet in England, United Kingdom
- Douglas Crimp (1944-2019), American writer, curator, and art historian
- Martin Crimp (born 1956), British playwright