{{wiktionarypar|lain}} '''Lain''' may refer to:
==Places== *Lain, Guinea, a town and sub-prefecture in the Nzérékoré Region *Lain, Iran, a village in Kurdistan Province *Lain, Yonne, a commune in the Yonne ''département'', France
==People== ===Given name=== *Lain (singer), English singer *Lain Maw Thee (born 1989), Burmese singer and songwriter *Lain Singh Bangdel (1919–2002), Nepalese artist, historian, and novelist *Latuinus (died {{circa|AD 440}}), also known as Lain, Gallo-Roman bishop and saint
===Middle name=== *Pedro Laín Entralgo (1908–2001) Spanish historian, philosopher, physician, and writer
===Surname=== *Chasey Lain (born 1971), American actress *Chip Lain (born 1958), American stock car racing driver *Douglas Lain (born 1970), American novelist *Evelina De Lain (born 1977) English pianist *Jean-Pierre Le Lain (born 1961), French rower *Jean Thomas Dulaien (1727–1728), also known as Jean Thomas du Lain, French pirate *Kalmer Lain (born 1968), Estonian politician *Kellan Lain (born 1989), Canadian ice hockey player *Rosemary Lain-Priestley (born 1967), Anglican priestess *T. H. Lain, American pseudonymous novelist *Zinedine Hameur-Lain (born 1986), French-Algerian kickboxer
=== Fictional ===
* Lain Iwakura, the title character of the anime television series Serial Experiments Lain
==Other uses== *Laining, a synonym for Torah reading *Obrascón Huarte Lain, a Spanish construction and civil engineering company
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