Delirio de Grandeza (Spanish for "delusion of grandeur") may refer to:

"Delirio de Grandeza", a song by Avalanch from El Ángel Caído "Delirio de Grandeza", a song by Justo Betancourt "Delirio de Grandeza", a cover by Rosalía from Motomami "Delirio de Grandeza", a song by Bobby Valentín

See also Delirio (disambiguation)