National Princess Day is celebrated every year on November 18.

Quick Scoop

  • Date: National Princess Day falls annually on November 18, tied to the 1994 release of the animated film The Swan Princess , which inspired the creation of the day.
  • What it celebrates: The day is meant to honor traits like kindness, courage, confidence, and inner strength—reminding kids and adults alike to embrace their “inner princess.”
  • How it’s marked: Many people celebrate with princess-themed parties, dress-up, special treats, movie nights, and social media posts using hashtags like #NationalPrincessDay.

In short, if you are wondering “when is National Princess Day?” —mark November 18 on your calendar each year.

TL;DR: National Princess Day is on November 18 every year, celebrating kindness, courage, and a bit of royal-style fun.

Information gathered from public forums or data available on the internet and portrayed here.