A referendum on re-integration into France was held in the Swedish colony of Saint Barthélemy in late October 1877.

[1] The island had been a colonial possession of Sweden for nearly a century, but following the referendum in which only one person voted against the proposal, it was returned to France the following year.

[1] The island had been part of the French West Indies until 1784, when it was transferred to Sweden in return for trade privileges in Gothenburg.

[1] An agreement was made on 10 August 1877 on returning the island to French control,[2] the first article of which included the requirement of a binding referendum.

[1] Subsequently the French National Assembly approved the treaty on 22 January 1878.