Cornish Crabbers LLP is a British boat builder based in Rock, Cornwall.

The company specializes in the design and manufacture of glassfibre gaff-rigged sailboats and powerboats.

It was founded by boat designer Roger Dongray, as well as Peter Keeling and Ken Robertson in 1974.

[3] In March of 2024 Cornish Crabbers declared insolvency owing £1,000,000 in debts and has been placed into voluntary liquidation.

John Leather, writing in The Gaff Rig Handbook: History, Design, Techniques, Developments described it as "probably the most successful modern gaffer" (gaff-rigged boat).