John Houston Laird (September 18, 1874 – 1959) was a railway conductor and political figure in Saskatchewan.
He represented Moose Jaw City from 1934 to 1938 in the Legislative Assembly of Saskatchewan as a Liberal.
He was born in Cavendish, Prince Edward Island, the son of James Laird and Margaret Houston, and was educated at Prince of Wales College.
In 1904, Laird married a Miss Derront.
He worked for the Canadian Pacific Railway.
He was also a Mason of a high degree and a member of the Order of Railway Conductors.