Ali Hassan Afif Yahya (Arabic: عَلِيّ حَسَن عَفِيف يَحْيَى; born 20 January 1988) is a Qatari footballer.

He currently plays for Umm Salal and the Qatar national team as a left-back.

[2] His father, Hassan Afif, is of Somali descent and was born in Moshi, Tanzania.

[3] His father previously played for Simba in Tanzania and Horseed in Somalia before relocating to Qatar and playing for Al Ittihad.

[2] He has a brother, Akram Afif, who is also a member of Qatar's football team.