| El Etmish | |
| Reign: | 687 – 716 |
| Succession: | Eastern Yabgu of the Second Turkic Khaganate |
| Successor: | Bilgä Išbara Tamγan Tarqan |
| Issue: | Bilgä Išbara Tamγan Tarqan Išbara Tamγan Čor |
| Royal House: | Ashina |
| Father: | Etmiš Beg |
| Death Date: | 716 |
| Birth Name: | Āshǐnà Duōxīfú 阿史那咄悉匐 |
| Religion: | Tengrism |
Ashina Duoxifu (; Old Turkic: Turs Beg;[1] Title: Eletmiš Yabγu) — was a younger brother of Elteriš Qaγan and Qapγan Qaγan in Turkic Empire.[2]
He took part in war against Toquz Oγuz with Elteriš between 682 - 687 near Tuul River. Then he was made governor (šad) of eastern wing. He was appointed to this position by Elteriš Qaγan in 687 and was reconfirmed by Qapγan Qaγan in 699. His was mainly active in Ongi steppe (near Ongi river).
He had several issues:
He was killed by Kol Tegin as a part of coup against Inäl Qaγan in 716.[3] He was succeeded by his son Bilgä Išbara Tamγan Tarqan as he submitted to Bilgä Qaγan. His son ordered Ongi Inscription to be erected in his honour.[4]