Amelia May Alcock (born 11 April 2000) is an Australian actress. She received an AACTA nomination for her performance in the Foxtel comedy-drama Upright (2019–2022). She made her international debut as young Rhaenyra Targaryen in the HBO fantasy series House of the Dragon (2022). For the role, Alcock was nominated for a Critics' Choice Television Award for Best Supporting Actress in a Drama Series. Alcock was named a 2018 rising star by the Casting Guild of Australia (CGA).
- Title: Milly Alcock
- Popularity: 9.045
- Known For: Acting
- Birthday: 2000-04-11
- Place of Birth: Sydney, New South Wales, Australia
- Also Known As: 밀리 앨콕, 米莉·阿尔柯克, Милли Олкок, Міллі Алкок