Thames usually refers to the River Thames in England on which the city of London stands. It may also refer to:

'The Thames' is the name of a ship in the classic video game Xenogears.

Thames Television

Thame, market town in Oxfordshire, England.

Thames Water, water company for London and the Thames Valley

Thames Trader, commercial vehicle range from Ford Motor Co.

Firth of Thames, bay on which that town is located

Thames Chase, community forest in East London, England

Thames River, Ontario, Canada

Thames River, Connecticut, USA

Former name of the Waihou River, New Zealand

Thames, New Zealand, town in the North Island

HMS Thames, the name of eight ships of the Royal Navy

José Ignacio Thames, member of the Congress of Tucumán in Argentina, who has many streets etc. named after him there

Marcus Thames, baseball left-fielder currently playing for the Detroit Tigers.

Thames A.F.C. - a London-based football club that played in the Football League for a brief spell in the 1930s.

Thames Town, a new development near Shanghai, China.