- K-2 (Herka)
- K-2 (Sky)
- K-2 (Trekking)
- K-2 (Up)
- K-2 ² (Up)
- KAGOO (LittleCloud)
- KAILASH (Nervures)
- KALI (Windtech)
- KALIGO (Swing-Up)
- KALLIMA (Swing-Up)
- KALYPSO (Technic'Air)
- KAMILA (Air-Masters)
- KANAÏ (Technic'Air)
- KANGAROO 1 (Sol)
- KANGAROO 2 (Sol)
- KANGAROO 3 (Sol)
- KANTEGA 1 (Up)
- KANTEGA 2 (Up)
- KANTEGA XC (Up)
- KARAKORUM
- KARAT (Herka)
- KARAT CSS (Herka)
- KARMA (Apco)
- KARMA (Ol)
- KARMA SPORT (Apco)
- KATANA (Up)
- KATANA (Nirvana)
- KATANA FR (Up)
- KATI-BI (Niviuk)
- KEARA (Apco)
- KENA (Windtech)
- KENBEC
- KENDO (Up)
- KENDO-C (Up)
- KENYA (Adventure)
- KENYA (Nervures)
- KENZEN (BioAir)
- KESTREL (Hawk-Wings)
- KESTREL (Pro-Design)
- KHAN (Sun Gliders)
- KHAN RACER (Sun Gliders)
- KID (Vs)
- KIM (Turnpoint Fastline)
- KIMFLY
- KINLEY (Technic'Air)
- KINETIK (Windtech)
- KING (TripleSeven)
- KIRON (Kimfly)
- KISS (Airwave)
- KIWI (Adg)
- KIWI (Karakorum)
- KL (Custom-Sail)
- KNIGHT (TripleSeven)
- KOALA (Sol)
- KOALA (Technic'Air)
- KOLT (Technic'Air)
- KOMAKA (Nirvana)
- KOMPACT (Pegas)
- KOMPAKT (Axis)
- KOOVAN (E2ra)
- KOPCAP (Asa)
- KORAI (Technic'Air)
- KORSAIR (Axis)
- KORSAIR (Ol)
- KORSAR (Asa)
- KORVET (Para-Avis)
- KOSTELEZKY
- KOSWINGR (Kostelezky)
- KOUGAR (Niviuk)
- KOYOT (Niviuk)
- KOYOTT (Technic'Air)
- KRAS
- KRIPPENDORF
- KRONOS (Windtech)
- KRYPTON (Nova)
- KUNA (Up)
- KVANT (Kimfly)
