The Seaside Signal is a weekly newspaper published for the community of Seaside, Oregon, United States by Seaside Signal, Inc.
The Signal was founded Saturday, March 25, 1905 as a weekly. It was edited by R. M. Watson. The paper was a tabloid format and cost $2.00 for a year's subscription. On May 11, 1907 the newspaper changed to a broadsheet format. Since then the Signal has changed formats numerous times.