Lenka is a singer-songwriter from Australia of Czech descent.
Lenka may also refer to:
- Lenka (given name), feminine given name
- Lenka (album) the 2008 self-titled album by Lenka
- Lenka, Slovakia, village in Slovakia situated on the border with Hungary
- Lenka (wasp), a wasp genus in the subfamily Pteromalinae
- the former German name of the Silesian town Łęka Opatowska, in southwestern Poland