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).