Danny O'Brien (born 1969) is a British technology journalist and civil liberties activist.

He worked for the UK edition of Wired, as well as for Channel 4 and the British ISP Virgin.net.

In April 2010, he moved to a new position as Internet Advocacy Coordinator for the Committee to Protect Journalists.

In February 2013, he became the Director of the International Department at the Electronic Frontier Foundation.

[2] O'Brien also set up a pledge on PledgeBank to help coordinate the establishment of "an organisation that will campaign for digital rights in the UK", which led to the creation of the Open Rights Group.