Jenko is a Slovene surname. Notable people with the surname include:
Ana Jenko, the birth name of Ana Štěrba-Böhm, Slovene chemist Davorin Jenko (1835–1914), Slovene composer Simon Jenko (1835–1869), Slovene poet, lyricist and writer Jenko Award, Slovene literary award Fictional characters Greg Jenko, a character from the Jump Street franchise
See also
Eleonora Jenko Groyer (1879–1959), Slovene physician Jenčo