Thilan Nipuna Walallawita (born 23 June 1998) is an English cricketer. He made his first-class debut on 1 August 2020, for Middlesex in the 2020 Bob Willis Trophy. Walallawita was born in Colombo, Sri Lanka and survived the Boxing Day Tsunami in 2004. He made his Twenty20 debut 20 September 2020, for Middlesex in the 2020 t20 Blast. He made his List A debut on 25 July 2021, for Middlesex in the 2021 Royal London One-Day Cup.