Mermaid may refer to one of the following:
- Mermaid (Winx Club): Mermaids from Winx Club.
- Mermaid (PopPixie): Mermaids from PopPixie.
- Mermaid (World of Winx): Mermaids from World of Winx.
- Mermaid (Form): Fairy Form from Sirene - Le Winx nel Mondo Sottomarino di Andros.