The St. Catharines Standard is a Canadian daily newspaper, founded on October 12, 1892. It is published by Metroland Media Group, a subsidiary of Torstar Corporation. It serves the Niagara Region of Ontario.

The Standard has its headquarters in St. Catharines. The current editor is Tony Saxon.

The St. Catharines Standard publishes seven days a week with a circulation of 31,536 copies per day as of October 2017. The Standard also publishes a weekly community paper, Niagara This Week.

The Standard is the only daily newspaper in the Niagara Region. It covers the cities of St. Catharines, Niagara Falls, and Thorold, as well as the towns of Port Colborne, Welland, and Fort Erie.

The St. Catharines Standard was founded on October 12, 1892, by William Jameson and John Stevenson. It was first published as a weekly paper. In 1895, it began publishing daily.

In 1923, the Standard was purchased by the Thomson family. They sold it to Southam Newspapers in 1960. In 1971, it was acquired by Hollinger Inc.. In 2000, Hollinger sold the Standard to CanWest Global Communications. In 2006, CanWest Global Communications merged with Shaw Media. In 2015, Shaw Media was sold to Torstar Corporation.