Konstantīns

Konstantīns is a Latvian masculine given name. Individuals bearing the name Konstantīns include:
 * Konstantīns Calko (born 1994), racing driver
 * Konstantīns Igošins (born 1971), footballer
 * Konstantīns Konstantinovs (born 1978), powerlifter
 * Konstantīns Ovčiņņikovs (born 1983), Russian-Latvian judoka
 * Konstantīns Pēkšēns (1859—1928), architect
 * Konstantīns Raudive (1909—1974), writer and intellectual