- Kinderpedia Parents & Children
- KindMeal.my
- KindPlanner Ouder
- Kindred
- King & Rıfkı
- Frost & Flame: King of Avalon
- King of Thrones:Game of Empire
- King Rabbit - Puzzle
- King Scoreboard
- Kingdom Conquerors Ministries
- Kingdom Island - Online Virtual World
- Kingdom Life - Simpsonville
- Kingdom Life App
- Grace: Faith, Bible & Chat
- Kingdom Life Sav
- KingKing voice roaming service
- KingLive
- KingsChat
- KingsConference
- Kingstown College
- Sedispace
- KinkLife: BDSM & Kinky Dating
- Kink Stickers (by BDSM People)
- KinkS: KinK, BDSM & Fet Dating
- Kinkoo: BDSM, Kink, Fet Dating
- Kink: BDSM, Fetish Dating app
- Кинолифт
- Kintalk - video, random chat
- KiOFi
- Kiosk for iPad
- Kiosque CA
- KiPaKi
- Kirche am Markt Heidelberg
- Kirche am Start