Thank You Berty (Sinhala: තෑන්ක් යු බර්ටි) is a 2010 Sinhalese language Sri Lankan action-comedy film written by Tennyson Cooray as his directorial debut and starring a number of Sri Lankan comedians, including Bandu Samarasinghe, Dilhani Ekanayake, Ananda Wickramage, Mahendra Perera, Anusha Damayanthi, Nilanthi Dias, and Cletus Mendis. The film had its world premiere August 7, 2010, in Melbourne, Australia.

Two pampered girls are married against their wishes to two crazy boys. As soon as trouble starts brewing, the girl’s father decides to bring in another girl to cause jealousy and re-ignite their relationship.

After witnessing her politician father's assassination by Soththi, Daughter Pooja a crucial witness, becomes a target herself. Leader is hired to safeguard her due to her pivotal role in proving Soththi's guilt.