Dolphins dream meaning is explained below using 4 different sources. Each interpretation is shown with its source.

Interpretation 1 — Michael and Elizabeth Thiessen

Dolphins are highly intelligent mammals, and as such represents the mental attributes and accomplishments involved in the dream itself. It also denotes that the dreamer has made some giant strides upward through the use of his mental faculties, and, if the rest of the dream bears it out, a dolphin is like a pat on the dreamers back with a well done thrown in for good measure.
Source: Encyclopedia of Dreams Author: Michael and Elizabeth Thiessen

Interpretation 2 — myjellybean

Seeing a dolphin in your dream is a very good omen. Dolphins symbolizes spiritual guidance, intelligence and emotional trust. Use your mind to its capacity and you will move upward in life. Seeing a dolphin also means you are good at exploring your emotions.

To dream that you are riding a dolphin represents your optimism and love for humankind.

Source: My Dream Interpretation Author: myjellybean

Interpretation 3 — Joan Seaman - Tom Philbin

1. Intellectual accomplishments.

2. A spirit guide.

3. The ability to communicate between one level of understanding or consciousness to the next.

Source: New American Dream Dictionary Author: Joan Seaman - Tom Philbin

Interpretation 4 — Gillian Holloway

This is a bad dream for lovers. It denotes the toss of a sweetheart.
Source: The Complete Dream Book Author: Gillian Holloway