Okkadu (transl. The One) is a 2003 Indian Telugu-language sports action film co-written and directed by Gunasekhar and produced by M. S. Raju. The film stars Mahesh Babu, Bhumika Chawla and Prakash Raj.The music was composed by Mani Sharma, while the cinematography and editing were handled by Sekhar V. Joseph and A. Sreekar Prasad.

In the film, Ajay, a fiery Kabaddi player from Hyderabad, visits Kurnool for a tournament and rescues Swapna from a faction leader, Obul Reddy, who wants to marry her by force. As Ajay hides her and helps plan her escape abroad, a violent feud erupts, leading to love, loss, and a final showdown.

Okkadu was released on 15 January 2003 to critical acclaim. The film received praise for its acting, action sequences, and direction and went on to become a major commercial success grossing over ₹50 crore at the box office with a distributors' share of ₹25-30 crore. It became Mahesh Babu's first big blockbuster in his career after the successes of Rajakumarudu and Murari and led him to achieve stardom. It has garnered eight Nandi Awards and four Filmfare Awards South, including Best Film– Telugu.

Over the years, the film was remade in eight other languages: as Ghilli (2004) in Tamil, as Ajay (2006) in Kannada, twice in Bangladesh as Dapot (2006) and Bolona Kobul (2009), as Mate Aanidela Lakhe Phaguna (2008) in Odia, as Jor (2008) in Bengali, as Tevar (2015) in Hindi, and as Kabaddi (2021) in Sinhala.

Ajay Varma, a hot headed Hyderabad-based Kabbadi player, a UPSC aspirant and the son of DCP Vijay Varma, visits Kurnool to take part in a state-level tournament. In Kurnool, Ajay saves Swapna Reddy from Obul Reddy, a dangerous faction leader who is in love with Swapna and wants to marry her against her wishes. Ajay learns that Swapna is trying to leave for the US to live with her uncle and pursue her studies after Obul killed her two elder brothers over their disapproval of a marriage alliance on account of the age gap.

In the process of saving Swapna, Ajay humiliates Obul by pushing him into a mud pond. Obul refuses to cleanse the mud until Swapna is found and brought back. Ajay takes Swapna to his house in the Old City and hides her in his room with the help of his sister, Asha, while he and his friends work to get her a Visa and passport. However, Ajay's parents learn about Swapna hiding in their house. Swapna escapes with Ajay and eventually falls in love with him. The next day, Vijay and his gang of friends surround the Charminar, where Swapna is hidden. Swapna, Ajay, and his friends reach Begumpet Airport. They also brought Swapna's parents to see her one last time. Meanwhile, all facts were known to Obul Reddy through Ajay's Kabbadi rivals, the "Soda gang," then Obul Reddy warns Vijay at his home for not finding his son and Swapna.

However, with hard struggle, Ajay successfully makes Swapna pass airport security, and then Ajay realizes that he loves Swapna, who later shows up and hugs him while proposing to him. But then, Vijay arrests Ajay, while Obul's men take Swapna away.

Later, Swapna taunts Obul, who tries to molest her, but she defends herself by telling that Ajay will definitely come for her and challenges him to defeat Ajay to get her. Obul goes to the prison and asks Ajay to come with him by Vijay's approval as a result of withdrawing his case. Vijay expresses that he is not worried about Ajay but is worried about Obul. The Obul attempts to kill Ajay again but realizes that it is a trap set by Ajay and his gang, and later, Obul and his henchmen are abducted by Ajay. Later, Ajay and his friends attend the finals of the national-level Kabaddi tournament and win the tournament. Meanwhile, Obul has escaped through Soda gang and called forces to kill Ajay.