Dumčius

{{pavarde|m=Dumčius|fm= Dumčienė |fu= Čepulytė }}

Dumčius is a Lithuanian surname. Notable people with the surname include:

• {{ill|Arimantas Dumčius|lt|}} (born 1940), Lithuanian cardiac surgeon, politician and public figure
• Mindaugas Dumčius (born 1995), Lithuanian handball player