Klec, Kleç, Kleč or KLEC may refer to:
Places Kleç, a mountain peak between Kosovo and North Macedonia Kleč, Kočevje, a settlement in Kočevje, Slovenia Kleč, Semič, a hamlet in Semič, Slovenia Klec (Jindřichův Hradec District), a municipality and village in the Czech Republic
People Ivo Klec, Slovak tennis player
Radio stations KLEC (FM), a radio station (90.5 FM) licensed to serve Liberal, Kansas, United States KOLL, a radio station (106.3 FM) licensed to serve Lonoke, Arkansas, United States, which held the call sign KLEC-FM from 2000 to 2004
Other uses Korean Language Education Center (disambiguation)