Filmography
| Year | Film | Role | Language | Notes |
|---|---|---|---|---|
| 1996 | Is Raat Ki Subah Nahin | Singer in club | Hindi | Uncredited role |
| 1997 | Inferno | Ravi | English | |
| 1998 | Shanti Shanti Shanti | Siddharth | Kannada | |
| 2000 | Alaipayuthey | Karthik Varadharajan | Tamil | |
| 2000 | Ennavale | James Vasanth | Tamil | |
| 2001 | Minnale | Rajesh Shivakumar | Tamil | |
| 2001 | Dumm Dumm Dumm | Aditya | Tamil | |
| 2001 | Parthale Paravasam | Madhava | Tamil | |
| 2001 | Rehna Hai Tere Dil Mein | Madhav Shastri | Hindi | Nominated—Zee Cine Award Best Male Debut Nominated—Screen Award for Most Promising Newcomer – Male |
| 2002 | Kannathil Muthamittal | Thiruchelvan | Tamil | Tamil Nadu State Film Award for Best Actor |
| 2002 | Run | Siva | Tamil | Tamil Nadu State Film Award for Best Actor |
| 2002 | Dil Vil Pyar Vyar | Krish | Hindi | |
| 2003 | Anbe Sivam | Anbarasu | Tamil | ITFA Best Supporting Actor Award Tamil Nadu State Film Award for Best Actor Nominated—Filmfare Award for Best Supporting Actor – Tamil |
| 2003 | Nala Damayanthi | Ramji | Tamil | |
| 2003 | Lesa Lesa | Deva Narayanan | Tamil | Guest appearance |
| 2003 | Priyamana Thozhi | Ashok | Tamil | |
| 2003 | Jay Jay | Jegan | Tamil | |
| 2004 | Aethiree | Subramani | Tamil | |
| 2004 | Aayutha Ezhuthu | Inba Shekar | Tamil | Filmfare Award for Best Supporting Actor – Tamil |
| 2004 | Nothing But Life | Thomas Roberts | English | |
| 2005 | Made in USA | Malayalam | ||
| 2005 | Priyasakhi | Sandhana Krishnan | Tamil | |
| 2005 | Ramji Londonwaley | Ramji Tiwari | Hindi | Also writer |
| 2006 | Rang De Basanti | Ajay Rathod | Hindi | Guest appearance |
| 2006 | Thambi | Velu Thondaiman | Tamil | |
| 2006 | Rendu | Sakthi, Kannan |
Tamil | |
| 2007 | Guru | Shyam Saxena | Hindi | |
| 2007 | Delhii Heights | Himself | Hindi | Cameo appearance |
| 2007 | Aarya | Aarya | Tamil | |
| 2007 | That Four-Letter Word | Himself | English | Cameo appearance |
| 2007 | Evano Oruvan | Sridhar Vasudevan | Tamil | ITFA Best Actor Award Nominated—Vijay Award for Best Story, Screenplay Writer Also producer and writer |
| 2008 | Vaazhthugal | Kathiravan | Tamil | |
| 2008 | Mumbai Meri Jaan | Nikhil Agarwal | Hindi | |
| 2008 | Tipu Kanan Tipu Kiri | Himself | Malay | Cameo appearance |
| 2009 | Yavarum Nalam | Manohar | Tamil | Nominated—Vijay Award for Best Actor |
| 2009 | 13B | Hindi | ||
| 2009 | Guru En Aalu | Guru | Tamil | |
| 2009 | Sikandar | Rajesh Rao | Hindi | |
| 2009 | 3 Idiots | Farhan Qureshi | Hindi | Nominated—Filmfare Award for Best Supporting Actor Nominated—IIFA Best Supporting Actor Award |
| 2010 | Om Shanti | RJ Maddy | Telugu | Guest appearance |
| 2010 | Teen Patti | Shantanu Biswas | Hindi | |
| 2010 | Jhootha Hi Sahi | Kabir | Hindi | Guest appearance |
| 2010 | Manmadan Ambu | Madanagopal | Tamil | Nominated—Filmfare Award for Best Supporting Actor – Tamil Nominated—Vijay Award for Best Supporting Actor |
| 2011 | Tanu Weds Manu | Manoj Sharma (Manu) | Hindi | |
| 2012 | Vettai | Thirumoorthy | Tamil | |
| 2012 | Jodi Breakers | Sid Khanna | Hindi |
Read more about this topic: R.Madhavan