Arna Ýr Jónsdóttir (born 30 May 1995) is an Icelandic model, beauty pageant titleholder, and pole vaulter.
She was crowned Miss Iceland 2015, and represented her country at Miss World 2015.
Arna Ýr later won Miss Universe Iceland 2017 and represented Iceland at Miss Universe 2017.
Arna Ýr made international headlines in 2016, after withdrawing from Miss Grand International 2016, where she was set to represent Iceland, because of pageant organizers asking her to lose weight.