Gustavia

Gustavia may refer to

People with the name include:
 * Gustavia, Saint Barthélemy, the largest town on (and capital of) the Caribbean island of St. Barthélemy
 * Gustavia, Rügen, an unfinished town project in Swedish Pomerania
 * Gustavia (plant), a genus of plants in the family Lecythidaceae
 * Gustavia (arachnid), a genus of arachnids in the family Gustaviidae
 * Gustavia Lui, New Zealand businesswoman