Merry is a surname. Notable persons with that surname include:
Abdelkrim Merry (born 1955), Moroccan footballer
Anthony Merry (1756–1835), British diplomat
Cyril Merry, (1911–1964) West Indies cricketer
Diana Merry, computer programmer
Gus Merry (c.1888-1942), Welsh dual-code international rugby player
James Merry, various including:
James Merry (actor) (born 1982), British actor
Katharine Merry (born 1974), English sprinter
Mustafa Merry (born 1958), Moroccan footballer
Clarice Merry (born 2003)