The Observer

The Observer
	The Observer front page on 30 November 2025
Type	Sunday newspaper
Format	Broadsheet (until 2006); Berliner (2006–2018); Compact (since 2018);
Owner	Tortoise Media
Editor	James Harding
Founded	4 December 1791
Political alignment	Liberal;
Language	English
Headquarters	22 Berners Street, London W1T 3LP
Circulation	136,656 (as of July 2021)
ISSN	0029-7712
OCLC number	50230244
Website	observer.co.uk

The Observer is a British newspaper published on Sundays. First published in 1791, it is the world's oldest Sunday newspaper.

In 1993 it was acquired by Guardian Media Group Limited, and operated as a sister paper to The Guardian and The Guardian Weekly. In December 2024, Tortoise Media acquired the paper from the Scott Trust Limited, and took ownership of The Observer on 22 April 2025.