Diana Penty (pronounced [ɖaːjəna ˈpeːɳʈi]; born 2 November 1985) is an Indian actress who works predominantly in Hindi films. She began her modelling career in 2005 when she was signed up by Elite Models India. Penty made her acting debut with the romantic comedy film Cocktail (2012), a box office success. Post a four-year hiatus, Penty starred in the titular role of Happy in Happy Bhag Jayegi (2016), a sleeper hit. She went on to feature in Lucknow Central (2017), Parmanu: The Story of Pokhran (2018) and Shiddat (2021), and the Malayalam film Salute (2022).