National Day in Brunei is a significant annual event as it commemorates the country's independence from Britain in 1984. The celebration of this national event happens every 23rd of February. Brunei’s National Day is a national public holiday and brings the entire nation together, strengthening their sense of national identity and pride. On this day, the citizens of Brunei regard the holiday as a chance to express their loyalty and devotion to their Sultan and the country.

National Day Celebration in Brunei is marked with numerous ceremonies and festive activities. The most spectacular event is the grand parade in the capital city, Bandar Seri Begawan, that showcases a vibrant mix of military personnel, schoolchildren, civil servants, uniformed bodies, and representatives from the different sectors of society. They march in synchronized files wearing traditional, colourful outfits, and carry banners and national flags. The procession is usually led by the Sultan himself, followed by thousands of people showing their unity. Various cultural performances are held as well, which present the rich and diverse culture of Brunei.

Aside from the grand parade, the celebration of Brunei's National Day also includes religious ceremonies, art exhibitions, sports tournaments, and various competitions that integrate the entire community. The citizens often raise the national flag at their homes and offices, reflecting their patriotism. Streets are decorated with numerous flags and lights, creating a festive atmosphere throughout the nation. Every National Day, Brunei renews its commitment to further development and acknowledges the significant achievements the nation has made in various fields since gaining its independence.