Adelaida
Adelaida is a feminine given name. People with the name include:

 Adelaida Avagyan (1924-2000), Armenian physician, researcher, and leader in healthcare
 Adelaida Cellars
 Adelaida Ferré Gomis (1881-1955), Spanish historian, teacher, and folklorist
 Adelaida García Morales (1945-2014), Spanish writer
 Adelaida Gertsyk (1874-1925), Russian translator, poet and writer
 Adelaida Martínez Aguilar (1870 — ? ), Mexican teacher, writer, and poet 
 Adelaida Negri (1943-2019), Argentine operatic soprano
 Adelaida Pchelintseva (born 1999), Kazakhstani swimmer
 Adelaida Pérez Hung, Cuban actress, radio announcer, and radio writer
 Adelaida Ruiz (born 1988), American professional boxer
 Adelaida Semyonovna Simonovitch (1844-1933), Russian educator and the founder of the first kindergarten in Russia
 Adelaida Soler, Argentine film, stage, radio, television and theater actress

Other uses
 Adelaida, California, unincorporated community in San Luis Obispo County, California, U.S.
 Adelaida District AVA, American Viticultural Area in San Luis Obispo County, California, U.S.
 Loxosceles adelaida, species of venomous recluse spider found in South America

See also
 Adelaide (disambiguation)