Mir Fendereski or Mir Findiriski (Persian: میرفِنْدِرِسْکی)‎ (1562–1640) was a Persian philosopher, poet and mystic of the Safavid era. His full name is given as Sayyed Mir Abulqasim Astarabadi (Persian: سید ابولقاسم استرآبادی), and he is famously known as Fendereski. He lived for a while in Isfahan at the same time as Mir Damad, spent a great part of his life in India among yogis and Zoroastrians, and learnt from them. He was patronized by both the Safavid and Mughal courts. The famous Persian philosopher Mulla Sadra also studied under him.