Lein
# Lein

Lein may refer to:

## People with that name

* Allen Lein (1913–2003), American endocrinologist and medical school professor
* Anatoly Lein (1931–2018), Soviet-born American chess Grandmaster
* Lars O. Lein (1874–1958), American farmer and politician
* Simonetta Lein (born 1983), Italian-American columnist and model

## Other

* Lein (Neckar), a river of Baden-Württemberg, Germany, tributary of the Neckar
* Lein (Kocher), a river of Baden-Württemberg, Germany, tributary of the Kocher
* Forbregd/Lein, two small adjoining villages in the municipality of Verdal in Trøndelag county, Norway
* Leiningen (software), the command lein is used for this packaging software
