Lenko is a given name and surname. Notable people with the name include:
Given name Lenko Grčić (1925–1999), Croatian footballer and coach Lenko Latkov (1975–2003), Bulgarian serial-killer
Surname Jiří Lenko (born 1985), Czech footballer Joanna Lenko (born 1992), Canadian ice-dancer
See also Lenco (disambiguation) Lenkov