K
- Kalchrain Priory or Abbey (dissolved) at Hüttwilen (Thurgau): Cistercian nuns
- Kappel Abbey (sometimes Cappel Abbey) (dissolved) at Kappel am Albis (Zurich): Cistercian monks
- Kleinlützel Priory (dissolved) at Kleinlützel (Solothurn): women religious, possibly Cistercian nuns; Augustinian Canons; Augustinian Canonesses
- Klingental Priory (dissolved) in Basle: Dominican friars
- Klingenzell Priory (dissolved) at Mammern (Thurgau): Benedictine monks
- Klingnau Commandery (dissolved) at Klingnau (Aargau): Knights Hospitallers
- Königsfelden Abbey (dissolved) at Windisch (Aargau): Franciscans and Poor Clares
- Kreuzlingen Abbey (dissolved) at Kreuzlingen: Augustinian Canons
- Küsnacht Priory or Commandery (Johanniterhaus Küsnacht) (dissolved) at Küsnacht (Zürich): Knights Hospitallers (1373-1531)
Read more about this topic: List Of Christian Religious Houses In Switzerland