Leonard were motorcycles produced by J. J. Leonard at his works in Long Acre, London, from 1903 to 1904.
- 1903 The machines used Minerva, MMC or Fafnir engines, fitted into a conventional loop frame. They had braced forks and belt drive.
- 1904 The engine became the 3.5hp MMC, but a 2.75hp was also listed. That year the make changed its name to Lurquin and Coudert.
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