Lacava or La Cava is an toponymic or topographic surname of Italian origin from cava, meaning hole or cellar, for somebody who lived or worked in or owned a quarry. It is also a Spanish toponymic surname for two places called La Cava, in Attargona and Alicante provinces.

Notable people with these surnames include:

Lacava Matías Lacava, Venezuelan football player Stephanie LaCava, American writer Tony LaCava, American baseball executive Jake LaCava, American soccer player

La Cava Florinda la Cava, historical Spanish figure of doubtful existence Francesco La Cava (1876–1958), Italian physician and writer Gregory La Cava, American film director Nicholas la Cava, American Olympic rower

References