Zealandia is a nearly submerged continental mass, of which New Zealand comprises the vast majority of the above-water part.

Zealandia may also refer to:

Places Zealandia Bank, a submarine volcano in the Marianas archipelago Zealandia, Saskatchewan, Canada Zealandia (wildlife sanctuary), Wellington, New Zealand

Ships , a British Royal Navy battleship renamed HMS Zealandia in 1911 SS Zealandia (1875), an American sail-steamer wrecked off Southport, England in 1917 , an Australian cargo and passenger ship that served as a troopship in both World War I and World War II ST Zealandia, a British tugboat

Other uses Zealandia (newspaper), a New Zealand Catholic newspaper published weekly from 1934 to 1989 Zealandia (personification), a female personification of New Zealand Zealandia (plant), a genus of ferns in the family Polypodiaceae Zealandia (Asheville, North Carolina), a mansion on the National Register of Historic Places in the United States

See also Zeelandia (disambiguation) Zealand (disambiguation)