Udaya Devi (Sinhala: උදය දේවි, Princess/Queen of the Rise/Morning) is an Express train that runs between Colombo Fort and Batticaloa in Sri Lanka.

The Udaya Devi makes a longer stop at Maho Junction, with an average of 20 minutes, passengers can use this opportunity to use the facilities at the station or to purchase snacks and beverages.

It also makes another extended stop at Kalawewa and Habarana to let the incoming/outbound train pass to Colombo or Batticaloa.

On August 13th of 2022, a trial was conducted to use Indian-built ICF coaches using the Class M4 locomotive of Sri lanka Railways.

However, the Northern line continues to use ICF coaches and S13 and S12 sets due to the upgraded track, which allows for a smoother ride and higher speed compared