Ruhunu Kumari (Sinhala: රුහුණු කුමාරි, Princess of "Ruhuna" - southern province) (Tamil: உருகுண இளவரசி) is a daytime passenger train that runs between Colombo and Matara in Sri Lanka.

Then she passes stations at Slave Island, Kollupitiya, Bambalapitiya, and Wellawattha, all situated within Colombo city.

Next the Ruhunu Kumari passes Katukurunda, the site of Sri Lanka's first railway accident.

After Maggona, Beruwala, Hettimulla and Aluthgama stations Ruhunu Kumari enters the Galle district.

Induruwa, Kosgoda, Ahungalla, Balapitiya, Ambalangoda, Kahawa, Hikkaduwa, Thiranagama, Dodanduwa, Rajgama, Boossa, Gintota are the main stations situated before Galle.