Karakalpakstan
Karlovac County
Kazakh SSR (1953-1991)
Kazakhstan
Kentucky
Kiribati
Košice
Kolga-Jaani
Komen
Koper
Kyongsangnam-do
Kyongsangnam-do (former flag)
Kyrgyz SSR (1952-1991)
Laeva
Lapovo
Latium
Latvian SSR (1953-1990)
Leeuwarden
Lelystad
Leskovac
Liechtenstein
Lika-Senj County
Limburg
Lithuania - Naval Flag