Hera Hilmar
- Born
- 27 December 1988 (37 years)
- Place of birth
- Reykjavík, Iceland
- Gender
- Female
Hera Hilmarsdóttir (known professionally as Hera Hilmar) (born 27 December 1988) is an Icelandic actress. She was the lead actress in the 2018 film Mortal Engines. Other notable roles are Vanessa in the television series Da Vinci's Demons and Eik in the Icelandic film Life in a Fishbowl.
