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).
Alcock was named a 2018 rising star by the Casting Guild of Australia (CGA). She had supporting roles in the Showcase drama Fighting Season (2018), the Netflix series Pine Gap (2018), the Stan series The Gloaming (2020), and the crime thriller Reckoning (2020).
Alcock was born 11 April 2000 and raised in Sydney, Australia. She has two brothers. Alcock was introduced to acting through a school production of Red Rocking Hood. She attended the local Newtown High School of the Performing Arts, but dropped out in 2018 when she was cast in Upright.