Tanalasta Obarskyr (known informally as Tanny or Tana) was the eldest daughter of King Azoun IV and Filfaeril Obarskyr. She was the heir of the throne of Cormyr until her death in 1371. It was rumored that she was having a secret romance with Aunadar Bleth. She had conflicts with her parents about her belief in Chauntea. She mothered Azoun V.