Yousif Hadi Bastaki (), born Yusuf Hadi Najjar (, 1937-2000) in Bahrain, was a Bahraini citizen of Bastaki Iranian Achomi ancestry, who sang in Achomi, Persian and Arabic. 
Biography.
Yusuf Hadi Najjar was born in 1937 in Bahrain, and he was originally from a Bastaki family but residing in Bahrain, and he learned music and playing the oud instrument with his masters and friends.
He started singing at a young age.
His great interest in Bastak, his father's homeland, caused him to love the Bastaki language very much and wrotepoems and songs in the original Bastaki dialect.
Yusuf Hadi wrote poems in "Bastaki", "Evazi", and "Janahi" "Achomi Persian" dialects as well as in "Arabic", and by composing authentic southern songs, he left behind several art albums.
Yousef Hadi died at the age of sixty-three in October 2000 in Bastak.