A white swan denotes wealth and happiness; a black one, grief (Raphael). A sacred bird of the ancients, though a medisrral symbol of hypocrisy as the swan has white feathers and black meat. In the Norse legends, however, they were held as sacred and are thus held in Eastern Europe of to-day.... The Fabric of Dream
A recognition of finality and ending (e.g., “singing one’s swan song”).
Among Hindus, this bird is interchangeable with the goose, representing creative origination and the breath of life.
The Celts regarded the swan as a solar bird that was beneficent and a shape-shifter. In a dream, this can relate to your ability to adapt to a new situation gracefully.
Native American: An emblem of trust and forgiveness.
Swans are also representative of love interests, being sacred to Aphrodite, Venus, and Zeus, the latter of whom changed himself into a swan to pursue the affection of Leda.
Dreaming of two swans together portends very devoted relationships. Swans mate for life.
Because of the story of the Ugly Duckling, swans also represent positive transformations in self-image. It can also reflect spending time with the wrong groups of people who engender lower self-esteem.... The Language of Dreams
As the soul of man, the swan is often taken to be the divine bird. It can sometimes denote a peaceful death or ending as in ‘swansong’ – at one time swans were believed to sing only at the point of death.... Dream Meanings of Versatile
The swan in dreams represents beauty and goodness and suggests the dreamer is satisfied in their personal life.
The exception is if you see someone you know walking away with a swan, or turning into a swan - meaning the dreamer is anxious in real life about being abandoned by this person.... My Dream Interpretation