T. Maheswaran (full name Thiyagarajah Maheswaran) (Tamil: தியாகராஜா மகேஸ்வரன்) (10 January 1966 – 1 January 2008) was an ethnic Tamil Sri Lankan Member of Parliament(MP) from Colombo. He belonged to the main opposition United National Party and was critic of Rajapakse government's war against Tamil rebels. He was the former Hindu Affairs minister and a former Member of Parliament for Colombo District, escaped an assassination attempt on the final day of the 2004 election campaign in Colombo. He was assassinated by a gunshot on January 1, 2008 while worshipping at a Hindu temple with his family. Number of other devotees were also injured. The injured gunman has been apprehended and is in police custody in a hospital.