Last name Lench (Lench 
) , all around the world, is a rare cognomen. The surname Lench is characteristic of the United Kingdom, where it is a rare surname, New Zealand, and Nicaragua. In absolute terms, it most frequently occurs in the United Kingdom, the United States, and Australia. Much less frequently, Lench is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lench | Australia, Peru, Canada, United Kingdom, United States |
| charles h. lench American architect, US (b. 1925) |
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| stanley lench GB (b. 1934) |
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| brooke de lench American author, filmmaker, journalist, and advocate, US (b. 1952) |
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| nicholas lench researcher |
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