Yeah, u can...first you gotta go to court and change your name officially and then you have to contact the exam agency and finish up the document stuff with them.

ስም መቀየር ይቻላል ዶክመንት ግን ያው በድሮ ስም ይሆንና የፍርድቤት ወረቀት ታያይዛለህ

offcourse u can change it

Orginal document timirt minister chimir gar heden kalhone kebele endet mekeyer ychilal...😕