| Kontrapunkt | counterpoint |
| kontrapunktieren | counterpoint |
| Kontrakt | compact contract |
| Kontrollpunkt | checkpoint |
| Kontrahent | opponent rival counterparty |
| Kostenpunkt | cost item matter of expense |
| Kontraalt | contralto |
| Kontranym | contranym |
| Kontratanz | contra |
| Kontakt | contact |
| Kontrast | contrast |
| kongruent | congruent |
| Kernpunkt | issue |
| Knackpunkt | crux |
| Tintenpunkt | inkdot |
| toter Punkt | deadlock |
| Knotenpunkt | junction |
| Konkrement | calculus |
| Kontingent | contingent |
| kontingent | contingent |