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Iftikhar Hussain, popularly known by his pen name Muztar Khairabadi (Urdu: مضطر خیرآبادی) (born 1862–died 1927), was an Indian Urdu poet. He was the father of noted poet and lyricist Jan Nisar Akhtar and grandfather of Javed Akhtar and Salman Akhtar.  His great grandchildren include Farhan Akhtar, Zoya Akhtar, Kabir Akhtar, and Nishat Akhtar.
Khairabadi was born in Khairabad to Ahmad Hasan "Ruswa" and Mohatrama Bibi Hirman Khairabadi. He was the grandson of Fazl-e-Haq Khairabadi who was also a poet, philosopher, religious scholar, Arabist, Persian and Urdu writer and freedom fighter in the Indian Rebellion of 1857. Khairabadi's first mentor was his mother. He spent his life in Khairabad, Tonk, Gwalior, Indore, Bhopal and Rampur.
In his final years, he lived and worked in Indore. He received numerous distinguishing titles, including Khan Bahadur, Eitbar-ul-Mulk, and Iftikhar-ul-Shaura. He received numerous distinguishing titles, He died in 1927 in Gwalior and is buried there.
Khairabadi wrote many poetry books which have been praised by writers and poets. He also published a literary magazine entitled Karishama-e-Dilbar. Most of his literary work has been lost.
His works include:
- Nazr-e-Khuda (in Praise of God), a poetry collection
- Meelaad-e-Mustafa, the collection of na`at
- Behr-e-Taweel, a poem
- Marg-e-Ghalat ki Fariyad, a ghazal
- "Incorrect verses". The Tribune India.com. 2005-01-02. Retrieved 2012-07-02.
- "A vein of grief". The Hindu.com. 2002-06-23. Retrieved 2012-07-02.
- "Muztar Khairabadi: Grand father of noted lyricist Jawed Akhtar". rekhta.org. Retrieved 18 September 2014.
- Khalil Ullah Khan, Muztar Khairabadi: Hayat aur shairi (Urdu Publishers, Nazir Abad, Lucknow, 1979).
- Mohammed Adbul Shahid Khan Sherwani, Baghi Hindustan (Almajma al-Islami, Mubarakpur, 1947).
- Nashtar Khairabadi, ed., Ilhaamaat (1934).