Queensday (), also spelt Queen's Day in English, was a national holiday in the Kingdom of the Netherlands, from 1890 to 2013, that was succeeded by Kingsday or Koningsdag.
Queensday may also refer to: International Women's Day, sometimes called Queen's Day Queen's Official Birthday, a celebration of the birthday of the Monarch of the United Kingdom and the other Commonwealth realms when the Monarch is a Queen Queene's Day, a celebration of the accession of Queen Elizabeth I