Efthymis and Efthimis are given names. People with the given names include:

Efthymis

Efthymis Koulouris Efthymis Argyropoulos Efthymis Christopoulos Efthymis Kouloucheris

Efthimis

Efthimis Bakatsias Efthimis Filippou Efthimis Kioumourtzoglou