Shadmehr Aghili (Persian: شادمهر عقیلی, born on January 27, 1973 in Tehran, Iran) is an Iranian pop singer, musician, composer, music arranger, producer and song-writer, and formerly an actor. He emigrated to Canada first, but currently resides in Los Angeles, California. Shadmehr is known as the "King of Persian Pop" and is one of the most popular Persian musicians and singers.

Seven single tracks entitled "Sabab" (Reason), "Residi" (You Arrived), "Mashkook" (Doubtful), "Boghz" (Choke of tears), "Bia" (Come), "Tane To" (Your Body) and "Ye Kari Kon" (Do Something) were all released under an unofficial title Sabab and were distributed even in Iran through underground black markets. Four of these tracks, namely "Sabab", "Residi", "Mashkook" and "Ye Kari Kon" in addition to three more tracks "Khial" (Image / Vision), "Shila" and "Tars" (Fear) are on his official album release Taghdir (Destiny) released by Century Records. On a cover of his Taghdir album he mentions that he was inspired by a 2005 Greek song (Bora Ise Tha Peraseis by Thanos Petrelis) for his Mashkook song. He is also the first Iranian musician to popularize the mandolin instrument in Persian music industry through his "Mashkook" and "Yekari Kon" songs from the mentioned album. He has recently released a new single track titled "Halam Avaz Misheh" (I Feel Better) after "Azadi" (Freedom) and "Adat" (Habit) singles. Shadmehr Aghili is the second Iranian -after Asadollah Malek- placed among the list of famous violinists.

Shadmehr (Persian: شادمهر‎; also Romanized as Shādmehr and Shādmir; also known as Shalimar) is a city in and capital of Shadmehr District, in Mahvelat County, Razavi Khorasan Province, Iran. At the 2006 census, its population was 3,369, in 848 families.