•
KF Aerospace, a Canadian aerospace company •
KF Cargo, a Canadian cargo airline •
KF Defence Programs, a Canadian defense contractor •
Korea Foundation •
Air Belgium, an airline based in Belgium (IATA code KF) •
Blue1, a defunct airline based in Finland (IATA code KF) •
Kelly's Fuels, fuels merchant in Northern Ireland •
Kettle Foods, a snack foods manufacturer •
Kooperativa Förbundet, a cooperative Swedish retail chain •
KrisFlyer, the frequent flyer program of Singapore Airlines •
Kiwi Farms ==Games==