K
- Immanuel Kant (1724–1804) (Cambridge; Macmillan2; Oxford 1995; Routledge 2000)
- Hermann Alexander, Graf von Keyserling (1880–1946) (Macmillan2)
- Ludwig Klages (1872–1956) (Macmillan2)
- Heinrich von Kleist (1771–1811) (Cambridge)
- Martin Knutzen (1713–1751) (Macmillan2)
- Karl C.F. Krause (1781–1832) (Cambridge; Macmillan2)
- Felix Krueger (1874–1948) (Macmillan2)
- Oswald Kuelpe (1862–1915) (Macmillan2)
Read more about this topic: List Of German Language Philosophers