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    Educational Information Only

    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.

    Thai Law
    3 min read

    Criminal Law

    Offences, investigations, arrest procedures, trial processes, and penalties under Thai criminal law.

    Overview

    Thai criminal law is primarily codified in the Criminal Code of Thailand (พระราชบัญญัติให้ใช้ประมวลกฎหมายอาญา) enacted in 1956 and subsequently amended. The Code covers general principles of criminal liability, specific offences, and sentencing guidelines. Criminal procedure is governed by the Criminal Procedure Code, which establishes the framework for investigation, prosecution, and trial.

    Key Legislation

    Criminal Code B.E. 2499 (1956)
    Criminal Procedure Code B.E. 2477 (1934)
    Narcotics Act B.E. 2522 (1979)
    Computer Crime Act B.E. 2550 (2007)

    Topics Covered

    Offences

    Detailed information on specific offences, their elements, penalties, and defences.

    Fraud

    serious

    Deceiving another person to obtain property, benefits, or to cause damage.

    Section 341-348 Criminal CodeMax: Up to 5 years imprisonment and/or fine up to 10,000 THB

    Criminal Defamation

    moderate

    Making statements that damage another person's reputation, character, or standing.

    Section 326-333 Criminal CodeMax: Up to 2 years imprisonment and/or fine up to 200,000 THB

    Assault & Battery

    moderate

    Causing physical harm or injury to another person through violence.

    Section 295-300 Criminal CodeMax: Up to 10 years imprisonment (for grievous bodily harm)

    Drug Offences

    severe

    Production, distribution, possession, or consumption of controlled substances.

    Narcotics Act B.E. 2522 (1979), Psychotropic Substances ActMax: Death penalty or life imprisonment (for serious trafficking)

    Theft

    moderate

    Taking property belonging to another person with dishonest intent.

    Section 334-336 Criminal CodeMax: Up to 3 years imprisonment and/or fine up to 6,000 THB

    Computer Crime

    serious

    Offences involving unauthorized access, data interference, or online misconduct.

    Computer Crime Act B.E. 2550 (2007)Max: Up to 20 years imprisonment for serious offences

    Robbery

    severe

    Taking property from another person using violence, threats, or force.

    Section 339-340 Criminal CodeMax: Up to 15 years imprisonment (or life imprisonment if involving weapons or causing serious injury)

    Gang Robbery

    severe

    Robbery committed by three or more persons acting together.

    Section 340 Criminal CodeMax: Up to 20 years imprisonment or life imprisonment

    Embezzlement

    serious

    Dishonestly appropriating property that has been entrusted to one's care.

    Section 352-354 Criminal CodeMax: Up to 5 years imprisonment and/or fine up to 10,000 THB (up to 10 years if by a fiduciary)

    Criminal Breach of Trust

    serious

    Violation of fiduciary duty by persons in positions of trust.

    Section 352-354 Criminal Code, Section 353 (Fiduciary Enhancement)Max: Up to 10 years imprisonment and/or fine up to 20,000 THB

    Forgery

    serious

    Creating or altering documents with intent to deceive or cause damage.

    Section 264-269 Criminal CodeMax: Up to 10 years imprisonment (up to 20 years for public documents)

    Forgery of Public Documents

    severe

    Creating or altering official government documents, certificates, or public records.

    Section 265-266 Criminal CodeMax: Up to 20 years imprisonment

    Using Forged Documents

    serious

    Knowingly presenting or using documents that have been forged or falsified.

    Section 268 Criminal CodeMax: Same penalty as forgery (up to 10-20 years depending on document type)

    Bribery of Officials

    serious

    Giving or offering benefits to public officials to influence their official duties.

    Section 144 Criminal Code, Organic Act on Counter Corruption B.E. 2561 (2018)Max: Up to 5 years imprisonment and/or fine up to 10,000 THB

    Receiving Bribes

    severe

    Public officials accepting benefits in exchange for favorable treatment or decisions.

    Section 149-157 Criminal Code, Organic Act on Counter Corruption B.E. 2561 (2018)Max: Up to life imprisonment or death penalty (for officials in justice system)

    Commercial Bribery

    moderate

    Bribery in private business contexts to gain unfair commercial advantage.

    Section 341 Criminal Code (Fraud), Trade Competition Act B.E. 2560 (2017)Max: Up to 5 years imprisonment under fraud provisions; additional regulatory penalties

    Extortion

    serious

    Obtaining property or benefits through threats, intimidation, or abuse of power.

    Section 337-338 Criminal CodeMax: Up to 5 years imprisonment and/or fine up to 10,000 THB (up to 10 years for aggravated cases)

    Money Laundering

    severe

    Concealing or transferring proceeds of crime to disguise their illegal origin.

    Anti-Money Laundering Act B.E. 2542 (1999)Max: Up to 10 years imprisonment and/or fine up to 200,000 THB; forfeiture of assets

    Cheque Fraud

    moderate

    Issuing cheques without sufficient funds or with intent to defraud.

    Section 341 Criminal Code, Cheque Act B.E. 2534 (1991)Max: Up to 1 year imprisonment and/or fine up to 60,000 THB per cheque

    Procedures

    For Foreigners

    Special Considerations for Foreign Nationals

    Foreign nationals face unique considerations in Thai criminal law matters, including language barriers, immigration implications, and procedural differences. Understanding these distinctions is essential for protecting your rights.

    Read foreigners guide

    Frequently Asked Questions

    How long can police detain someone without charge?

    Police can initially detain a person for 48 hours, which can be extended by court order up to 84 days for serious offences during investigation.

    What rights do foreigners have when arrested in Thailand?

    Foreigners have the same constitutional rights as Thai citizens, plus the right to contact their embassy or consulate.

    Is defamation criminal in Thailand?

    Yes, defamation is a criminal offence in Thailand, punishable by up to 2 years imprisonment and/or a fine of 200,000 THB.

    Can police search without a warrant in Thailand?

    In certain circumstances yes - Thai police can search without a warrant for flagrant offences, emergencies, or with reasonable suspicion at certain locations.

    How long does a criminal case take in Thailand?

    Thai criminal cases typically take 1-3 years for trial, with appeals adding 6-18 months per level. Complex cases can take significantly longer.

    Can criminal charges be dropped in Thailand?

    Yes, certain charges can be dropped through settlement (compoundable offences), insufficient evidence, or prosecutorial discretion, but many offences cannot be withdrawn.

    Do I need a lawyer when questioned by Thai police?

    Yes, strongly recommended. You have a constitutional right to legal counsel during police questioning, and statements made can be used against you.

    What are prison conditions like in Thailand?

    Thai prisons are typically overcrowded with basic facilities. Foreigners are usually housed separately and can receive support from embassies and families.

    What is the statute of limitations for crimes in Thailand?

    Ranges from 1 year for petty offences to 20 years for capital crimes. Some offences against the monarchy have no limitation.

    How do I get a criminal record check in Thailand?

    Apply at the Royal Thai Police headquarters or provincial police offices with passport, photos, and fingerprints. Processing takes 1-3 weeks.

    Is self-defense legal in Thailand?

    Yes, self-defence is a recognized legal defence but must be proportionate to the threat and immediately necessary.

    What is lese-majeste law in Thailand?

    Section 112 prohibits defaming, insulting, or threatening the royal family, with penalties of 3-15 years per count. Enforcement has increased significantly.

    What is a suspended sentence in Thailand?

    A prison sentence that is not immediately served. If probation conditions are met for 1-5 years, imprisonment is avoided.

    When Legal Representation Matters

    If you are facing a criminal law matter that involves investigation, arrest, litigation, or formal proceedings, professional legal representation becomes essential.

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

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