Hossein Sadjadi Ghaemmaghami Farahani (Persian: حسین سجادی قائم‌مقامی فراهانی), better known by his pen name Kader Abdolah (Persian: قادر عبدالله) (Arak, 12 November 1954), is an Iranian-Dutch writer, poet and columnist.

[1] Kader Abdolah is one of the descendants of Mirza Abu'l-Qasem Qa'em-Maqam, the Iranian politician during the Qajar period who was also affiliated with art and literature.

After graduation he served his mandatory military service in the Iranian Navy in Bandar Pahlavi (today's Bandar-e-Anzali).

Het huis van de moskee (The House of the Mosque) catapulted Abdolah onto the Dutch bestseller lists.

In 2007 it was voted second best Dutch novel ever in the Netherlands in an online survey organized by NRC Handelsblad and NPS.