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    The content on this page is for general educational purposes and does not constitute legal advice. Every legal situation is unique. For matters involving investigation, arrest, litigation, or formal proceedings, consult a qualified legal professional.

    Defamation Offences
    serious offence

    Defamation by Advertisement in Thailand

    Publishing defamatory statements through advertisements, broadcasting, or mass distribution.

    Last updated: February 2026
    Legal Sections

    Criminal Code Section 328

    Maximum Penalty

    Up to 2 years imprisonment and/or fine up to 200,000 THB (enhanced penalties for mass distribution)

    Severity Level

    serious

    Definition

    Publishing defamatory statements through advertisements, broadcasting, or mass distribution. Under Thai law, this offence is classified as a serious offence within the category of Defamation Offences.

    Elements of the Offence

    For a conviction, the prosecution must prove all of the following elements beyond reasonable doubt:

    1

    All elements of basic defamation

    2

    Publication through advertisement, document distribution, or broadcasting

    3

    Wider dissemination than private communication

    Penalties

    Maximum Penalty

    Up to 2 years imprisonment and/or fine up to 200,000 THB (enhanced penalties for mass distribution)

    Actual sentences depend on factors including the severity of the conduct, harm caused, prior convictions, and mitigating circumstances. Courts have discretion to impose lesser sentences within the statutory range.

    Possible Defences

    The following defences may be available depending on the circumstances:

    Same defences as basic defamation

    Publisher's defence (for intermediaries)

    Correction and apology (mitigation)

    Note: The availability of defences depends on specific facts. Professional legal advice is essential.

    For Foreigners

    Special Considerations for Foreign Nationals

    International media publishing in Thailand should be aware that Thai courts have jurisdiction over content accessible in Thailand.

    When Legal Representation Matters

    If you are accused of defamation by advertisement or facing investigation, immediate legal representation is essential to protect your rights and build an effective defence.

    Anglo Siam Legal provides experienced legal services across Thailand for both Thai nationals and foreigners.

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