Ratified conventions by Saint Lucia
- 1981 - 1st Geneva Convention for the Amelioration of the Condition of the Wounded and Sick in Armed Forces in the Field
- 1981 - 2nd Geneva Convention For the Amelioration of the Condition of Wounded, Sick and Shipwrecked Members of Armed Forces at Sea
- 1981 - 3rd Geneva Convention Relative to the Treatment of Prisoners of War
- 1981 - 4th Geneva Convention relative to the protection of civilian persons in time of war
- 1982 - Additional Protocol Relating to the Protection of Victims of International Armed Conflicts
- 1982 - Additional Protocol Relating to the Protection of Victims of Non-International Armed Conflicts
- 1982 - Convention on the Elimination of all Forms of Discrimination against Women
- 1990 - International Convention of the Elimination of All Forms of Racial Discrimination
- 1993 - Convention on the Rights of the Child
- 1997 - Convention on the Prohibition of the development, production, stockpilling and use of chemical weapons
- 1999 - Convention on the Prohibition of the Use, Stockpilling, production and transfer and antipersonnel mines
- 2014 - Optional Protocol on the Involvement of Children in Armed Conflict
- 2014 - Optional Protocol on the Sale of Children, Child Prostitution, and Child Pornography
- Signature 1999 - Statute of the International Criminal Court