Omanthai ஓமந்தை ඔමන්ත
Town
Omanthai
Coordinates: 08°52′0″N 80°30′0″E / 8.86667°N 80.50000°E / 8.86667; 80.50000
Country	Sri Lanka
Province	Northern
District	Vavuniya
DS Division	Vavuniya South (Tamil)

Omanthai is a little town in North Sri Lankan district of Vavuniya. The last Sri Lankan army check point which divided the Government and LTTE controlled areas used to be in Omanthai for many years.

• Omanthai Central College

Omanthai railway station is served by the Northern Line of the Sri Lanka Railways. The town is temporarily the terminus of the line, while the track is being rebuilt to Jaffna and Kankesanturai.^[1] The railway station was one of the later stations to re-open after being closed during the civil war.

• Thandikulam–Omanthai offensive
• Operation Jayasikurui
• Railway stations in Sri Lanka
• Pandarikulam