Osmeña Day is a holiday in the Philippines that commemorates the birth of President Sergio Osmeña, the fourth President of the Philippines Incumbent from August 1, 1944 to May 28, 1946. He was significant in the nation's history as the president during the end of World War II. The celebration happens every September 9 and is a special non-working holiday in the province of Cebu where Osmeña originated.

Osmeña Day is a day of honor and remembrance, intended to pay tribute not only to the former president himself but also to the legacy he left behind. Activities during the day include public ceremonies, school activities, and parades. The Osmeña Museum in Cebu City, dedicated to preserving and showcasing the memorabilia of the Osmeña family, usually becomes a focal point of the celebration, attracting both local and foreign visitors.

Sergio Osmeña's leadership played a vital role in the recovery of the Philippines in the aftermath of World War II. His courage, wisdom, and dedication have left an indelible imprint in the heart of the Filipino people. Despite its regional focus, Osmeña Day has become a symbol for Filipinos of the resilience of the nation. It is a reminder that the Philippines has leaders who are willing to dedicate their lives to the service of the people and the betterment of the nation.