Mankatha (Tamil: மங்காத்தா) is an upcoming Tamil action thriller film written and directed by Venkat Prabhu. It will feature Ajith Kumar in the lead role, starring in his 50th film, along with an ensemble cast including Arjun, Trisha Krishnan, Vaibhav Reddy, Lakshmi Rai, Andrea Jeremiah, Premji Amaren and Anjali. It is produced and distributed by Dhayanidhi Alagiri's Cloud Nine Movies, while Yuvan Shankar Raja composes the musical score and soundtrack, with Sakthi Saravanan working as the cinematographer and the duo Praveen K. L. and N. B. Srikanth as editors.

Mankatha's story is said to revolve around a Mafia gang gambling during the Indian Premier League (IPL) cricket season. The film was formally launched in August 2010, with its principal photography beginning on October 25, 2010. Filming was held for more than eight months and took place primarily across Chennai, the Dharavi slum in Mumbai and Bangkok, Thailand. The film's release is scheduled for August 2011.