Ratified conventions by Saint Kitts and Nevis
- 1985 - Convention on the Elimination of all Forms of Discrimination against Women
- 1986 - 1st Geneva Convention for the Amelioration of the Condition of the Wounded and Sick in Armed Forces in the Field
- 1986 - 2nd Geneva Convention For the Amelioration of the Condition of Wounded, Sick and Shipwrecked Members of Armed Forces at Sea
- 1986 - 3rd Geneva Convention Relative to the Treatment of Prisoners of War
- 1986 - 4th Geneva Convention relative to the protection of civilian persons in time of war
- 1986 - Additional Protocol Relating to the Protection of Victims of International Armed Conflicts
- 1986 - Additional Protocol Relating to the Protection of Victims of Non-International Armed Conflicts
- 1990 - Convention on the Rights of the Child
- 1998 - Convention on the Prohibition of the Use, Stockpilling, production and transfer and antipersonnel mines
- 2002 - Convention Relating to the Status of Refugees
- 2004 - Convention on the Prohibition of the development, production, stockpilling and use of chemical weapons
- 2006 - International Convention of the Elimination of All Forms of Racial Discrimination
- 2006 - Statute of the International Criminal Court
- 2013 - Convention on Cluster Munitions