Emma Chung Yi Lau (born 1991) is a British actress. On television, she is known for her role in the Channel 4 soap opera Hollyoaks (2021–2023). Her films include The School for Good and Evil (2022).

Lau grew up in Greater Manchester. She took a foundation course at the Academy of Live and Recorded Arts (ALRA)^[1] before going on to graduate from the Mountview Academy of Theatre Arts.^[2]

Lau began her career working with the Yellow Earth Theatre Company on The Last Days of Limehouse in 2014^[3] and O Deptford in 2016. Also in 2016, Lau made her television debut as Lucy in "Zero", an episode and installment of the BBC One drama anthology Moving On.^[4] This was followed by her feature film debut in Trial and Error.

In 2018, Lau appeared in Foreign Goods 3 at the Arcola Theatre and Table at the New Vic. She played Drusilla in the original cast of the stage musical adaptation of The Worst Witch, which premiered at the Royal & Derngate in Northampton, went on tour,^[5] and had a run at London's Vaudeville Theatre, marking Lau's West End debut.^[6] In 2020, she was cast in the Storyhouse productions of The Suicide, Miss Julie, and Signal Fires. She had small roles in the films Artemis Fowl in 2020 and Venom: Let There Be Carnage in 2021.

Lau made what was initially meant to be a guest appearance in the Channel 4 soap opera Hollyoaks in September 2021^[7] before officially joining the main cast as Serena Chen-Williams in November 2021.^[8][9] She exited the soap in January 2023.^[10] She also played Kiko in the 2022 Netflix film The School for Good and Evil^[11][12] and Miranda in The Tempest at the 2023 Salisbury International Arts Festival.^[13] She starred in Glacier at the Old Fire Station in Oxford.^[14]

Lau is in a relationship with MMA fighter and fitness trainer Daniel Crooks-May.^[15]