Hild or Hildr may refer to:
- Hildr, a common noun meaning "battle" in the Old Norse language.
- Hildr or Hild is one of the Valkyries in Norse mythology, a personification of battle
- Hild or Hilda of Whitby is a Christian saint who was a British abbess and nun in the Middle Ages
- Hild (Oh My Goddess!), the ultimate Demon in Hell known as the DaimakaichÅ in the Oh My Goddess! series
- Hildr Valkyrie, a Greek pagan metal musician