Leni is both a given name and a surname. Notable people with the name include:

Given name

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Male and female:

Surname

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Fictional characters

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  • Leni Loud, a character in the American animated series The Loud House
  • Leni McClearly, identical twin sister of Gina McClearly in the 2022 Netflix miniseries Echoes
  • Leni, the nurse in Franz Kafka's novel The Trial