James Coulthard

James Coulthard (23 December 1868 – 1 January 1952) was a British rugby player, trade unionist and politician.

Born in Ellenborough, Cumbria, Coulthard was the son of William Coulthard, one of the founders of the Cumberland Miners' Association, and Margaret Davidson.

From 1911, Coulthard was the secretary of the Birkenhead joint branches of the National Union of Railwaymen (NUR), and he also served on the union's Liverpool and North Wales Council, being its president in 1917/18. He was also elected to the executive of the Birkenhead Trades and Labour Council.

In 1933/34, Coulthard served as Mayor of Birkenhead.