Koceljeva
Komenda
Kortrijk
Koryakia
Kragujevac
Kranj
Kumamoto
Kuwait
Kuyavian-Pomeranian Voivodeship
Kyongsangnam-do
Kyrgyz SSR (1952-1991)
La Rioja
La Rioja - Civil Flag
Lüdenscheid
Lachmar Corp., Inc.
Laos
Lasco Shipping Co.
Latvia
Latvia - Naval Ensign
Latvia - Naval Jack
Latvian SSR (1953-1990)
Lazarevac
Lebanon
Leskovac
