Online defamation in Ireland is governed by the same Act as a newspaper libel or a spoken accusation in a shop, and since 1 March 2026 it is also the kind of claim the law was most recently rewritten for: identification orders in the Circuit Court, a declaratory order without damages, and a platform regime that runs alongside the courts. Most people searching for online defamation Ireland have a post, a comment or a video in front of them and a decision to make quickly. This page sets out the order to do things in, and it starts with the three things that decide every claim: what was said, who saw it, and when it was first published.
Online Defamation Ireland: The Same Tort, a Different Evidence Problem
Section 6 of the Defamation Act 2009 as amended defines one tort: a statement that tends to injure a person’s reputation in the eyes of reasonable members of society, published to at least one person other than the plaintiff, that identifies the plaintiff. A defamatory post is caught by that definition the moment one other person reads it; there is no minimum audience, and a message in a closed group or a comment under someone else’s post counts. Identification does not need your name: a photograph, a handle, a tag or a description that people who know you would recognise is enough. For an individual the claim is actionable without proof of financial loss. A company must also meet the serious harm test in section 12, which for a business trading for profit means serious financial loss, and that is dealt with on our business defamation page. What makes social media defamation different is not the law but the evidence: the post can be edited, deleted, re-shared or hidden behind an anonymous handle within hours, and section 11 gives one cause of action for all publications of the same statement, so time runs from the first publication whatever happens to it later.
Social Media Defamation: Preserve the Evidence Before It Disappears
Do this before you report, reply or send anything. Screenshot the post, the comments and the shares with the URL, the date and the time visible. Record the account name or handle and the profile address, because a display name can be changed in seconds and the handle is what a platform or a court will search for. Capture the reaction and share counts and note who you know saw it: the colleague who mentioned it, the customer who asked about it, the family member who sent it on. Write down the date you first became aware of the post, since that date and the date of first publication are the two the one-year clock is measured against. Then stop. Replying in the thread widens the audience for the words, invites a second post, and gives the other side a record of your reaction. The Defamation Claim Checker runs your facts through the section 6 elements and tells you what is missing from the file.
Step One: Report the Defamatory Post to the Platform
Report to the platform first. Since 17 February 2024 the Digital Services Act has required platforms to run notice-and-action systems for content a user says is unlawful, and Coimisiún na Meán is Ireland’s Digital Services Coordinator, enforcing the Online Safety Code for video-sharing platforms. A notice should give the URL, say that the statement is defamatory under Irish law, say who you are and why the words are about you, and ask for removal. Keep the reference number and the reply. Two cautions. The platform applies its own rules, not the Defamation Act, so a refusal says nothing about your claim. And a removal does not end the claim or pause the clock: the publication has already happened, the damage to reputation is done, and section 11 means time has been running since the first post. The platform step is the first rung of a ladder, and these guides take each platform in turn:
- Defamed on Facebook: What You Can Do — posts, comments, fake profiles and the group administrator who will not act;
- Defamed on Instagram, TikTok or X — the platform notice routes, Coimisiún na Meán and section 45;
- Defamed on YouTube — the video as a publication and whether to join the platform;
- Defamation in WhatsApp and Local Facebook Groups — why publication to a small group still counts.
Step Two: The Solicitor’s Letter
Where the author is known, the letter is the step that resolves most online matters. It identifies the words, explains why they are defamatory and of you, anticipates the defence the author will reach for, and asks for three things: removal, a correction, and an apology. The 2026 Act makes those asks sharper. An apology under section 24 is not an admission, so there is less reason to refuse one. An offer of amends under sections 22 and 23 must now carry a correction and apology with the same or similar prominence as the original post, so a quiet edit no longer does. And if the author later relies on an offer of amends in court, their conduct after making it is relevant to costs. What a letter should contain, and the full ladder from platform report to court order, is on our getting defamatory content removed page.
Step Three: Identifying an Anonymous Account
Anonymity used to end most claims, because the only route to a name was a High Court Norwich Pharmacal application. Since 1 March 2026, section 45 lets the Circuit Court order an intermediary — the platform, host or provider — to disclose information identifying an anonymous author where the interests of justice require it. The court may order the applicant to pay the intermediary’s costs, and that is part of the arithmetic before applying. Because Meta, Google, TikTok and X run their European operations from Dublin, the order is made against a Dublin-registered company. The application is built from the evidence file described above: the post, the handle, the dates, and the platform’s reply. The procedure, the evidence and the costs are set out on our identification orders page, and the step-by-step version is in how to identify an anonymous troll.
Step Four: Court
The Circuit Court’s jurisdiction in defamation is €75,000, and it is where most online claims belong. It can grant a declaratory order under section 28 that the statement was false and defamatory, without damages, which for many people is the finding they actually want and the document that persuades a platform or a search engine to act; a correction order under section 30; and a prohibition order under section 33 against further publication. The High Court has unlimited jurisdiction and, for actions commenced on or after 1 March 2026, sits without a jury. Before anything issues, your solicitor must inform you of the specified ADR options, a Press Council complaint or the right of reply under the Broadcasting Act, and file a statutory declaration under section 34K; for a social media post that is a formality, but it is a statutory one. Court proceedings carry a risk of being ordered to pay the other side’s costs if the claim fails, and most Circuit Court claims settle before hearing, which is why the letter is written with the hearing in mind. How that risk is explained and quoted is on our fees page.
The One-Year Clock
Section 38 gives one year from the date of first publication, extendable by the court to a maximum of two years only where the interests of justice require it, which the courts apply strictly. Because of section 11, a post that is still up, still being shared, or re-posted by the same publisher does not restart anything. The clock is suspended only while a specified ADR procedure runs; it does not pause while you wait for a platform to respond or for an identification order to be heard. Platform reports, letters and section 45 applications each take weeks, so the practical deadline is months earlier than the legal one. The Time Limit Calculator works your dates through.
Defamed Online? Start With the Screenshot and the Date
Bring the post with the URL and date visible, the handle, and the evidence of who saw it. One consultation establishes whether the words are actionable, who can be made to act, and the date you must issue by.
Call 01 5827148