Queen Suthida Bajrasudhabimalalakshana, the Queen of Thailand and consort of King Maha Vajiralongkorn (Rama X), celebrates her birthday each year. It is recognized as a national holiday in Thailand, marked with national ceremonies, decorations, and expressions of loyalty and respect to the monarchy.

King’s Birthday (formerly Queen’s Birthday) in the Solomon Islands is a national holiday honoring the reigning monarch, currently King Charles III, observed in mid-June with official ceremonies, parades and community celebrations that reflect the country’s Commonwealth ties.

King Tupou VI's Birthday is a national holiday in Tonga celebrating King Tupou VI's official birthday on July 4, although his actual birth date is July 12, 1959.