Julia Alcayde y Montoya (1885–1939) was a Spanish painter who specialised in painting still lifes and portraits.
Alcayde y Montoya was born in 1885 in Gijón. She studied at the ' ( School of Arts and Crafts) in Madrid. She exhibited regularly at the Spanish National Exhibition of Fine Arts where she won third place medals in 1892 and 1895, and second place medals in 1899, 1912 and 1920. Alcayde y Montoya exhibited her work at the Palace of Fine Arts and The Woman's Building at the 1893 World's Columbian Exposition in Chicago, Illinois.
Alcayde y Montoya died in 1939 in Madrid.