John Leech may refer to:

• John Leech (caricaturist) (1817 – 1864), English caricaturist and illustrator
• John Leech (politician) (born 1971), British Liberal Democrat Member of Parliament
• John Leech (mathematician) (1926 – 1992), British mathematician, discoverer of the Leech Lattice
• John Leech (restauranteur) (1934 – 2009), co-founder of the Onyx Cafe
• John Henry Leech (1862 – 1900) British entomologist

[edit] See also

• John Leach (disambiguation)

This disambiguation page lists articles associated with the same personal name. If an internal link led you here, you may wish to change the link to point directly to the intended article.